Publications
| Title | Abstract | Year Filter | PMID(sorted descending) Filter |
|---|
| characterization of inhibitory innervation in porcine colonic circular muscle. | effects of stimulation of intramural nerves in the circular smooth muscle layer of the porcine colon (sus scrofa domestica) were studied using the sucrose-gap technique. electrical field stimulation of the preparation, superfused with krebs solution at 21 degrees c, induced a transient hyperpolarization of the smooth muscle cell membrane. this hyperpolarization was an inhibitory junction potential (ijp). the responses obtained from circular muscle originating from either the centripetal or centr ... | 1988 | 3242774 |
| chromosome banding studies and synaptonemal complex analyses of four reciprocal translocations in the domestic pig. | 1988 | 3230023 | |
| standard karyotype of the domestic pig. committee for the standardized karyotype of the domestic pig. | 1988 | 3230021 | |
| [detailed analysis of a new translocation in a domestic pig]. | a sterile minisibs (mini siberian swine) boar with normal sexual behaviour was studied by the routine, c- and high resolution g-banding chromosome techniques. a new reciprocal translocation was identified involving chromosomes 12 and 13. the numbers of diakinesis and sperms were very low. the synaptonemal complex was typical of reciprocal translocations. | 1988 | 3227566 |
| mineral and protein concentrations in enamel of the developing permanent porcine dentition. | calcium, phosphorus and protein analyses have been performed on developing permanent enamel from the mandibular dentition of the domestic pig. the pattern of mineralization and protein loss was similar from tooth to tooth and similar to teeth from other species. comparison of different teeth at the same developmental stages (secretion--stage 1, transition--stage 2 and maturation - stage 3) revealed remarkably similar concentrations of calcium, phosphorus, and protein regardless of tooth type. th ... | 1988 | 3214845 |
| placental and fetal development in straightbred and reciprocal crosses of yorkshire and ossabaw swine. | placental and fetal development were compared in 7 yorkshire (y) and 12 feral, ossabaw (f) gilts mated to y and f boars to produce straightbred and reciprocal cross litters (yy, yf, fy and ff, sire listed first). gilts were slaughtered at d 75 +/- 2 of gestation. ovulatory rate and litter size were higher in y than in f gilts; however, rates of embyonal survival were similar in all groups. groups differed in fetal body weight, metabolic body weight, crown-to-rump length, placental weight, metabo ... | 1988 | 3203982 |
| histoautoradiographic detection of 3h-thymidine and 3h-proline in the vascular wall of domestic swine in experimental atherosclerosis. is there an effect of saturated/unsaturated fatty acids in high cholesterol diet? | in vitro labeling of arterial wall samples from domestic swine with tritiated thymidine or proline was used to establish the effect of unsaturated (sunflower oil) or saturated (beef tallow) fatty acids in the presence of enteral cholesterol on dna and collagen synthesis. histoautoradiography of samples incubated in vitro gives labeling patterns and indices comparable to in vivo labeling. preliminary results show that these nutrient fats do not differ in their effect on the dna and collagen synth ... | 1988 | 3197797 |
| the effect of estradiol on quantitative changes in the ultrastructure of pinealocyte structures in sexually immature female domestic pigs. | 1988 | 3195189 | |
| a male-specific repeated dna sequence in the domestic pig. | 1988 | 3194222 | |
| reciprocal chromosome translocations, (1p-; 11q+ and (1p+; 15q-), in domestic pigs with reduced litter size. | 1988 | 3192429 | |
| prevention of leptospira interrogans serovar pomona infection in domestic pigs by vaccination. | 1988 | 3190600 | |
| ultrastructure of the integument of the domestic pig (sus scrofa) from one through fourteen weeks of age. | 1985 | 3161419 | |
| streptozotocin diabetes in juvenile pigs. evaluation of an experimental model. | spontaneous diabetes in the domestic pig, an animal suitable for metabolic and endocrine studies and for experimental surgery, is extremely rare. in this study we have compared the diabetogenic response of various doses of streptozotocin in comparison to surgically induced diabetes. streptozotocin in a low dose, 35 mg/kg body weight did not influence glucose metabolism while an intermediate dose, 85 mg/kg, resulted in a transient diabetic reaction. streptozotocin, 100-150 mg/kg body weight, caus ... | 1985 | 3160643 |
| effects of platelet-activating factor on coronary hemodynamics and coronary venous plasma levels of txb2, 6-keto-pgf1 alpha, and leukotriene c4 immunoreactivity in the intact domestic pig heart. | 1985 | 3159202 | |
| detecting arterial and venous obstruction in flaps. | island skin flaps based on the latissimus dorsi muscle were raised in domestic pigs. flap circulation, maintained only by the vascular pedicle, was monitored by laser doppler flowmetry, laser photometry, and transcutaneously measured carbon dioxide tension. both arterial and venous occlusion were accompanied by very low laser doppler flow values. in laser photometry, the backscattered intensity of light remained unchanged or was slightly increased during arterial occlusion. in response to venous ... | 1985 | 3156550 |
| effect of ribose on thallium-201 myocardial redistribution. | myocardial 201tl redistribution after transient ischemia may be too slow to allow identification of a reversible myocardial defect within the routine 201tl imaging period. to determine whether 201tl redistribution could be affected by a metabolic intervention, intravenous ribose was administered postischemia. seventeen domestic swine were subjected to a 10-min ischemic period followed by either a 30-min i.v. ribose (n = 8) or saline (n = 9) infusion. thallium-201 was injected during ischemia and ... | 1988 | 3142974 |
| [residues of chlorinated pesticides and polychlorinated biphenyls in pork and ham in past years and today]. | the contents of the residues of chlorinated pesticides and polychlorinated biphenyls (pcb) were investigated in 682 samples of ham and 926 samples of pork that were collected in the export meat plants. the investigation, based on the gas chromatography method with an ec detector, was performed in 1986. the tolerance of the residues of chlorinated pesticides was exceeded in 0.4% of the hams and 0.3% of the pork samples in that year. the pcb limit, proposed for pork (1.0 mg per kg of fat) was exce ... | 1988 | 3129860 |
| evidence that insect embryogenesis is regulated by ecdysteroids released from yolk proteins. | that the yolk proteins (yps), or vitellins, stored in the oocytes of insects are a nutritional store for subsequent embryogenesis has long been assumed. exhaustive data base searching programs revealed highly significant sequence similarity between the three yps of drosophila melanogaster and part of the triacylglycerol lipase of the domestic pig. based upon time of degradation of yps during embryogenesis, existence of maternally stored ecdysteroid conjugates in embryos, location of these conjug ... | 1988 | 3125550 |
| assignment of the major histocompatibility complex to the p1.4----q1.2 region of chromosome 7 in the pig (sus scrofa domestica l.) by in situ hybridization. | the pig major histocompatibility complex (sla) was mapped by in situ hybridization. the probe used was a human cdna containing most of the coding sequence for hla-b7. the sla complex was localized to the region p1.4----q1.2 on chromosome 7. | 1986 | 3082605 |
| role of endogenous prostacyclin in myocardial blood flow regulation distal to a severe coronary stenosis. | to test the hypothesis that endogenous prostacyclin is required to maintain reduced arteriolar tone distal to a severe coronary arterial stenosis under basal conditions and during challenge with a vasoconstrictor eicosanoid such as thromboxane a2 10 closed chest, domestic swine were prepared with an artificial stenosis, which reduced the luminal diameter of the left anterior descending coronary artery by 80%. haemodynamic variables, regional myocardial blood flow (microsphere method), and lactat ... | 1988 | 3075513 |
| the effect of intraosseous sodium bicarbonate on bone in swine. | five domestic swine weighing 8 to 12 kg were anesthetized with ketamine 20 mg/kg im and pentobarbital 20 mg/kg iv. after a sterile prep each animal received nahco3 1 meq/ml/kg in one tibia and saline 1 ml/kg in the other. the animals were allowed to recover and were observed for 30 days. at the end of this period, roentgenographs were obtained of each tibia and triple phase 99m technetium bone scans were obtained. the tibias also were sectioned, stained, and examined under light microscopy for m ... | 1987 | 3035967 |
| antibodies to vesicular stomatitis new jersey type virus in wild and domestic sentinel swine. | wild sentinel swine on ossabaw island, chatham county, georgia, were serially bled and tested for vesicular stomatitis new jersey type virus neutralizing antibody to determine the intensity, distribution, and progression of annual viral activity. from march through september, 1984 and 1985, 112 and 226 juvenile (less than 8 months) swine, respectively, were sampled. seroconversions initially were detected on may 7, 1984 and may 18, 1985. incidence of seroconversion in wild swine reached 32% duri ... | 1987 | 3034056 |
| strain-specific 1.7 kilobase repetitive deoxyribonucleic acid sequence family in trichinella spiralis. | eco ri digestion of bulk dna from trichinella spiralis p1, an isolate from domestic pig, reveals the presence of families of repetitive sequences. one of the most prominent of these has a monomer size of 1.7 kb, which exists in minimally dispersed direct tandem arrays, with a copy number of about 2800, and represents 2% of the genome. although there is evidence that the eco ri site is missing in some of the family members and that a 1.9 kb variant of the sequence also occurs, the family is highl ... | 1986 | 3027555 |
| substance k: vascular and cardiac effects in rat and pig. | the effects of substance k (sk), a newly discovered tachykinin, on the cardiovascular and sympathetic system were evaluated in the pithed rat preparation and in the in situ domestic pig heart. in pithed rats, sk (10 nmol/kg, iv) produced a triphasic mean blood pressure (map) response: short depressor, short pressor (+11 +/- 1 mmhg), and prolonged depressor phase (-9 +/- 1 mmhg, n = 9-24, p less than 0.001). neither effect was significantly affected by pretreatment with propranolol (2 mg/kg) or p ... | 1985 | 3001674 |
| comparison of intraosseous, central, and peripheral routes of sodium bicarbonate administration during cpr in pigs. | obtaining venous access continues to be one of the most difficult problems faced by a physician caring for the pediatric patient in cardiac arrest. our study examined the use of the intraosseous route (through the bone) to obtain venous access for sodium bicarbonate administration in a cardiac arrest model. ventricular fibrillation was induced in 23 domestic swine. cardiopulmonary resuscitation was performed for five minutes and sodium bicarbonate (1 meq/kg) was administered through a peripheral ... | 1985 | 2998236 |
| comparative anatomy of the mammalian hypothalamic suprachiasmatic nucleus. | a detailed analysis of the cytoarchitecture, retinohypothalamic tract (rht) projections, and immunohistochemical localization of major cell and fiber types within the hypothalamic suprachiasmatic nuclei (scn) was conducted in five mammalian species: two species of opossum, the domestic cat, the guinea pig, and the house mouse. cytoarchitectural and immunohistochemical studies were conducted in three additional species of marsupial mammals and in the domestic pig. the scn in this diverse transect ... | 1988 | 2979633 |
| ultrastructural observations on muscle spindles in extraocular muscles of pig. | human and some mammals such as the sheep, goat and domestic and wild pigs have more or less muscle spindles in the extrinsic eye muscles, especially the domestic pigs having abundant muscle spindles (matsuyama, 1987). the muscle spindles play a large role in maintaining the stable visual posture of the eyeballs. to define the morphological properties of the muscle spindles relative to the eye movement, the ultrastructure of the spindles was investigated in 6 extraocular muscles of the pigs by el ... | 1988 | 2969690 |
| [experimental biological research on dental filling materials in an application test on domestic swine]. | 1987 | 2961163 | |
| [adaptation of a natural strain of trichinella to domestic swine]. | 1987 | 2960875 | |
| protective immunity to ascaris suum: analysis of swine peripheral blood cell subsets using monoclonal antibodies and flow cytometry. | outbred domestic swine or sla inbred miniature swine were exposed to ascaris suum either naturally on contaminated lots or by inoculation with uv-irradiated attenuated eggs. both inbred and outbred swine developed virtually complete protection to a challenge of 10 000 eggs after natural exposure, but inbred swine were less resistant than outbred swine after uv-egg exposure. flow cytometric analysis of peripheral blood mononuclear cells from these animals, performed to determine changes in cell s ... | 1986 | 2939618 |
| detecting changes of arterial and venous blood flow in flaps. | island skin flaps based on the latissimus dorsi muscle were raised in domestic pigs. simultaneous recordings of laser doppler flowmetric and laser photometric values were made on the skin in the middle of the flap. occlusion of either the artery or the vein of the pedicle was accompanied by very low laser doppler flow values. in laser photometry the total intensity of backscattered light remained unchanged or was sightly increased during arterial occlusion. in response to venous occlusion, howev ... | 1985 | 2935062 |
| resonance in the mechanical response of the respiratory system to high frequency jet ventilation. | eight normal domestic pigs (large white breed) of body weights 17 kg to 62 kg were subjected to high frequency jet ventilation (hfjv) at frequencies of 1 to 10 hz (60-600 breaths/min). six animals survived the study. the gain response curves and phase shift response curves obtained for these animals indicate that respiratory system resonance can be excited at hfjv frequencies. post-mortem examinations of the nonsurvivors' lungs suggested pulmonary barotrauma. these findings and their clinical im ... | 1989 | 2929264 |
| anastomosis of bypass grafts using a low-powered co2 laser. | the purpose of this study was to evaluate the feasibility of using a low-powered co2 laser to perform end-to-side anastomoses of bypass grafts. the internal jugular veins of 13 domestic swine were removed and used as grafts to bypass their ligated carotid arteries. each end of the vein graft was apposed to the artery with four to six temporary stay sutures, and a waveguide delivery co2 laser with a power density of 900 mw/mm2 was used to perform the anastomoses, after which the sutures were remo ... | 1989 | 2927226 |
| tissue acidosis: role in sustained arteriolar dilatation distal to a coronary stenosis. | this study tested the hypothesis that myocardial tissue acidosis is responsible for maintenance of reduced arteriolar tone distal to a severe coronary arterial stenosis. domestic swine (n = 10) were instrumented with a coronary arterial stenosis that reduced vessel diameter 80%. measurements of hemodynamic indexes were made 1) before stenosis, 2) at 5, 20, and 60 minutes after stenosis placement, and 3) after each of three, 20-minute naoh infusions (0.05 m, 0.1 m, and 0.5 m) distal to the stenos ... | 1989 | 2924419 |
| metabolism of i-653 and isoflurane in swine. | fluoride ion concentrations were measured in plasma samples taken from chronically instrumented domestic swine before, immediately after, and 4 hours after exposure to either i-653 or isoflurane. each anesthetic was administered at concentrations between 0.7 and 1.6 mac and the total dose of anesthetic given was approximately 5.5 mac hours for each agent. plasma fluoride ion concentrations immediately after and 4 hours after exposure to isoflurane were approximately three times greater than valu ... | 1989 | 2913848 |
| young domestic pigs for the cardiovascular assessment of inotropic drugs. comparison with dogs. | a comparison is made of cardiovascular response to cardiotonic drugs in young domestic pigs and dogs, and the use of pigs as an alternative to dogs in cardiovascular investigations is described. | 1988 | 2899656 |
| trichinella spiralis: genetic evidence for synanthropic subspecies in sylvatic hosts. | isolates of the nematode genus trichinella from sylvatic hosts differ in their potential to reproduce in domestic swine. the structure of the genomic dna from 13 sylvatic isolates from north america and 5 pig isolates, 4 from north america and 1 from asia, was examined and correlated with the infectivity of the isolate for domestic pigs. dna restriction fragment length differences, identified by ethidium bromide staining and by hybridization with 32p-labeled ribosomal rna, served as molecular ma ... | 1987 | 2888683 |
| comparative neuromuscular blocking effects of vecuronium, pancuronium, org 6368 and suxamethonium in the anaesthetized domestic pig. | the neuromuscular blocking and cardiovascular effects of three competitive neuromuscular blocking drugs, vecuronium, pancuronium and org 6368, and the depolarizing drug suxamethonium, have been evaluated in the anaesthetized domestic pig. both the relative time-course and the order of potency of the drugs agreed well with published data in man. in addition, the cardiovascular side-effects of pancuronium and org 6368 were identified readily. these preliminary results suggest that the pig may prov ... | 1987 | 2883986 |
| vitamin a levels of blood in collared peccaries (tayassu tajacu) from south texas. | serum vitamin a concentrations were determined for 24 adult female collared peccaries from 1 captive and 2 wild populations during the period 30 january-15 march, 1983. normal serum vitamin a concentrations of well-fed captive peccaries (mean = 39.0 micrograms/dl) were slightly higher than the reported range of values for domestic swine. mean vitamin a concentrations of blood serum did not differ among the captive and 2 wild populations. however, a few individuals from the wild populations had l ... | 1987 | 2882908 |
| production and evaluation of specific antisera against sera of various vertebrate species for identification of bloodmeals of glossina morsitans centralis. | specific antisera against sera of 46 species of vertebrates were prepared. the antisera to 21 bovidae species were raised in goats except the antiserum to goat serum which was raised in sheep. the antisera to 3 suidae species were produced either in domestic pigs or warthogs, while antisera to most of the other vertebrate species were raised in rabbits. the antisera were used in an enzyme-linked immunosorbent assay (elisa) to identify the source of bloodmeals ingested by teneral and non-teneral ... | 1986 | 2882665 |
| trypanosoma brucei infection in domestic pigs in a sleeping sickness epidemic area of uganda. short communication. | 1986 | 2874715 | |
| a preliminary comparison of trypanosoma simiae and t. congolense by isoenzyme electrophoresis. | trypanosoma simiae, although similar to t. congolense in morphology and mode of development in the tsetse vector, is regarded as a separate species mainly because it is highly pathogenic to the domestic pig and fails to infect rodents. to establish whether the two species are distinct biochemically, we compared by isoenzyme electrophoresis 2 isolates of t. simiae with 7 stocks of t. congolense, together with one of t. brucei. all isoenzyme patterns of the 6 enzymes examined differed in t. simiae ... | 1986 | 2872783 |
| ontogeny of neuropeptidergic systems: luteinizing hormone releasing hormone (lhrh); somatostatin (srif) and neurophysin (nf) in the hypothalamus of the domestic pig by immunocytochemistry. | the ontogenic development of some hypothalamic neuropeptides: luteinizing hormone releasing hormone (lhrh); somatostatin (srif) and neurophysin (nf) and their localization in the hypothalamus of fetuses in different stages of the fetal life were studied by immunoperoxidase method. it was found that differentiation of the neurons which produce the examined hormones begins in the midstage of pregnancy. lhrh is stored in the nerve terminals of the median eminence (me) and organum vasculosum of the ... | 1985 | 2867938 |
| the oxygen affinity of mammalian hemoglobins in the absence of 2,3-diphosphoglycerate in relation to body weight. | we studied the oxygenation of mammalian hemoglobins: mouse (mus musculus molossinus), rabbit (oryctolagus cuniculus domesticus), japanese monkey (macaca fuscata), man (homo sapiens), sheep (ovis aries), llama (lama glama), pig (sus scrofa domesticus), cow (bos taurus domesticus) and horse (equus caballus), in the absence of 2,3-diphosphoglycerate (dpg) and compared their oxygen affinity in relation to the body weight. the negative correlation between body weight and the oxygen affinity of the wh ... | 1985 | 2866879 |
| effects of tromethamine and sodium bicarbonate buffers during cardiac resuscitation. | the effects on cardiac resuscitability of iso-osmolal solutions of tris-hydroxymethyl-aminomethane (tromethamine), sodium bicarbonate (nahco3) and sodium chloride placebo were compared in 30 domestic pigs using a well-established model of electrically induced cardiac arrest and resuscitation. we hypothesized that a carbon dioxide (co2) consuming buffer like tromethamine would reduce and sodium bicarbonate would increase the respiratory acidosis of mixed venous blood, which had recently been demo ... | 1988 | 2851015 |
| [changes in phospholipid metabolism in the skeletal muscle cell in induced malignant hyperthermia in the domestic pig]. | 1988 | 2850811 | |
| molecular cloning and restriction enzyme mapping of an african swine fever virus isolate from malawi. | dna prepared from a field isolate of african swine fever virus, which causes high mortality and severe disease in domestic pigs, was cloned in bacteriophage lambda and plasmid vectors. clones containing dna inserts overlapping with each other and together covering the complete genome, apart from short fragments close to the cross-linked termini of the genome, were obtained. a complete restriction enzyme site map of the genome for three enzymes was deduced. | 1988 | 2839602 |
| distribution of the antibody to influenza c virus in dogs and pigs in yamagata prefecture, japan. | the distribution of the antibody to influenza c virus in the dogs and pigs in yamagata prefecture, japan was investigated by using three different serological methods: hemagglutination-inhibition (hi), radioimmunoprecipitation (rip), and immunoblotting. the antibody against influenza c virus glycoprotein (gp88) was detected in 5 out of 112 sera collected from mongrel dogs, three by rip test and two by any of the three methods, suggesting that the virus can cause natural infection in dogs. signif ... | 1987 | 2836710 |
| domestic pigs as sentinels to monitor the activity of japanese encephalitis & west nile viruses in kolar district, karnataka. | 1987 | 2832323 | |
| microvascular and collateral adaptation in swine hearts following progressive coronary artery stenosis. | we chronically implanted hygroscopic occluders around the left circumflex coronary artery in 49 anesthetized young male domestic pigs and we studied the development of a collateral circulation at 4, 8, 12, and 26 weeks after implantation. at these time intervals groups of animals were again anesthetized, the hearts were explanted and perfused in langendorff-fashion with leucocyte-filtered pig blood. maximal coronary vasodilation was induced with adenosine and global (electromagnetic), and region ... | 1989 | 2818450 |
| chromosome r-banding patterns and nor homologies in the european wild pig and four breeds of domestic pig. | four european wild pigs and 27 domestic pigs were studied; three landrace, 12 village pigs from papua new guinea, two chinese pigs meishan and 10 creole pigs from the french antilles. the r-banding patterns were identical for all domestic breeds despite their different history and geographical divergence. the european wild pigs showed a similar r-banding pattern and a centric fusion between pairs 15 and 17 (2n = 36). the nucleolar organizers (nors) in the european wild pig and the four domestic ... | 1989 | 2817772 |
| [functional morphology of the maxillo-mandibular apparatus in the miniature swine mini-lewe. 11. discussion of the findings of the metric studies and dentition (conclusion)]. | the graphs showing the dimensions and angles of the skull and jaw indicate that postnatal development trends are basically uniform. comparison with the vietnamese miniature pig shows that the miniature pig mini-lewe has a longer skull. postnatal skull growth is accompanied by a distinct shift in proportions. the sequence of dentition if broadly identical to that of the domestic pig and the pitmann-moore miniature pig. | 1989 | 2817410 |
| innervation pattern in jaw muscles of various mammalian chewing types. | the intramuscular nerve branches of the masticatory muscles were investigated in different mammalian species such as canis familiaris, capreolus capreolus, capra hircus africans, bos primigenius forma taurus, myocastor coypus molina 1782, sus scrofa domestica, pan troglodytes, homo sapiens. the ramifications of the nerves form a specific pattern that is adapted to the specialised muscle structures in all mammalian chewing type. the innervation pattern is fully consistent with the infrastructures ... | 1989 | 2816526 |
| banding studies and synaptonemal complex analysis of an x-autosome translocation in the domestic pig. | in a litter of nine domestic pigs, a translocation between the x-chromosome and chromosome 13 was found in six individuals: four males and two females. the translocation was presumed to have originated in the dam. banding studies indicated that the breaks preceding the translocation had occurred in a distal gtg-negative band of the long arm of the x, 15-30% of the length of xq from the telomere, and proximally in chromosome 13, 15-25% from the centromere. the normal x of the females invariably r ... | 1989 | 2805815 |
| accelerated healing of full-thickness burns by the use of high-voltage pulsed galvanic stimulation in the pig. | an experimental study was designed using domestic pigs to evaluate the effect of high-voltage pulsed galvanic stimulation (hvpgs) on the rate of healing of full-thickness thermal burns. twenty animals were used in the study; each one received two standardized burns over the paravertebral region. in half of the animals, hvpgs was performed daily for the study period. one of the burn wounds in each pig was used to evaluate wound contraction by measuring the wound surface weekly for four weeks. the ... | 1989 | 2788384 |
| nematode parasite infections of domestic pigs in a sub-tropical and high-rainfall area of india. | fourteen hundred and ninety-six domestic pigs, sus scrofa domestica l., from a sub-tropical and high-rainfall area of india were examined over a period of 18 months to ascertain their nematode parasite spectrum. the eleven species recovered, arranged in descending order of prevalence, are as follows: ascaris suum, oesophagostomum dentatum, bourgelatia diducta, stephanurus dentatus, globocephalus connorfilii, physocephalus sexalutus, ascarops dentata, a. strongylina, pseudocruzia orientalis, seta ... | 1989 | 2787072 |
| [the observation of coccidia in swine]. | the coccidia species of domestic pig and wild boar were compared and defined morphologically and the sporogony of both was examined. no difference could be detected between the coccidia species of domestic pig and wild boar. six eimeria and one isospora species were found: eimeria debliecki, e. polita, e. porci, e. scabra, e. spinosa, e. suis and isospora suis. e porci could be found in austria for the first time. e. cerdonis vetterling, 1965 is a synonym of e. polita pellérdy, 1949. | 1989 | 2782664 |
| [the oxygen uptake capacity of swine]. | comprehensive studies into domestic pigs and wild boars together with literature data provided a basis for an assessment of aerobic metabolic capacity (vo2max) of swine. the values quoted, from 20 to 94 ml/min-1/kg, had been due to several factors of methodological approach, growth, training, and nutrition as well as to pathophysiological aspects. for full capacity utilisation of vo2max, untrained pigs can be challenged at belt velocities between 0.8 and 1.8 m/s-1 and trained animals at 5 m/s-1. | 1989 | 2774828 |
| clearance of african swine fever virus from infected tick (acari) colonies. | three laboratory colonies of the argasid tick onithodoros moubata porcinus van der merwe were started from collections made in 1983 at three different sites in zimbabwe. all of the colonies contained ticks infected with african swine fever (asf) virus that was readily transmitted by bite to domestic pigs. although they were maintained on virus-free pig blood, asf virus infections persisted in the colonies for at least 1 yr. despite the fact that asf virus passes transstadially, sexually, and tra ... | 1989 | 2769711 |
| isolation of 11 beta-hydroxylated androgens from testicular vein blood of the mature boar. | the isolation of 11 beta-hydroxyandrostenedione and 11 beta-hydroxytestosterone from testicular vein blood of the mature male domestic pig is described. blood was collected from veins and arteries on the surface of the testes of mature boars. steroids were extracted from plasma with sep-pak c18 cartridges and recovered with acetonitrile. a separation of steroids was made by high performance liquid chromatography (hplc) using acetonitrile/water (37/63; v/v), and fractions were collected manually ... | 1989 | 2764929 |
| blood viscosity in phocid seals: possible adaptations to diving. | 1. mean corpuscular volume (mcv) and mean corpuscular hemoglobin concentration (mchc) of phocid seal red blood cells (rbc) are elevated compared to those of most terrestrial mammalian species. the influence of these characteristics on blood flow was revealed by viscosity (vis) measurements. 2. rbc morphology and vis of whole blood from 7 harbor seals and 5 northern elephant seals were compared with blood of the domestic pig. samples were analysed for rbc count, white blood cell (wbc) count, tota ... | 1989 | 2760283 |
| sound localization, use of binaural cues and the superior olivary complex in pigs. | noise localization thresholds and the ability to localize pure tones at 60 degrees separation were determined for three domestic pigs using a conditioned avoidance procedure. the average threshold for localizing a brief noise burst was 4.5 degrees which is much more accurate than the thresholds of other hoofed mammals, such as horses, cattle and goats. the ability of pigs to localize low-frequency tones indicates that they can use the binaural phase-difference cue. however, they were unable to l ... | 1989 | 2758313 |
| comparison of intraosseous and intravenous routes of anticonvulsant administration in a porcine model. | during status epilepticus, rapid iv access for the administration of anticonvulsant drugs can be a very difficult and time-consuming procedure. our study evaluated whether therapeutic serum levels of phenobarbital and phenytoin could be obtained by the intraosseous route. twenty domestic swine weighing 10 to 20 kg were divided into two groups (ten each). in one group, phenobarbital 20 mg/kg was administered either intravenously (five) or intraosseously (five). the second group received phenytoin ... | 1989 | 2757281 |
| suppression of pentylenetetrazol-elicited seizure activity by intraosseous lorazepam in pigs. | use of the intraosseous (i.o.) route as an alternative venous access for drug administration has increased. this study examined the efficacy of i.o. lorazepam (lzp) in suppressing pentylenetetrazol (ptz)-induced seizure activity in pigs. domestic swine (13-20 kg) were prepared for recordings of arterial blood pressure, eeg, and electrocortical activity. seizure activity was induced by ptz (100 mg/kg i.v.). sixty seconds after onset of seizure activity, animals either received no drug (control) o ... | 1989 | 2752999 |
| a comparison of intraosseous and intravenous routes of administration for antiseizure agents. | intravenous (i.v.) access for administration of antiepileptic drugs can be time-consuming and difficult in an infant during a seizure. this study examined the intraosseous (i.o.) route as an alternative means of vascular access for drug administration in an animal-seizure model. domestic swine (13-20 kg) were anesthetized with ketamine (20 mg/kg i.m.) and alpha-chloralose (80 mg/kg i.v.) and given gallamine (4 mg/kg i.v.) to prevent muscle fasciculations. tracheosotomies were performed and the a ... | 1989 | 2752998 |
| conversion of induced ventricular tachycardia by single and serial chest thumps: a study in domestic pigs 1 week after experimental myocardial infarction. | a single chest thump (ct) is widely accepted in the emergency treatment of ventricular asystole, whereas there exists controversy about this method for the interruption of ventricular tachycardia (vt). hitherto, delivering serial chest thumps (scts) has been described only once for the treatment of vt. a systematic analysis for interruption of vt by ct or scts (or both) is lacking. we have therefore investigated this subject in five domestic pigs after experimental myocardial infarction. manual ... | 1989 | 2750646 |
| a study of african swine fever virus infected ticks (ornithodoros moubata) collected from three villages in the asf enzootic area of malawi following an outbreak of the disease in domestic pigs. | a detailed study was made in 1983-5 in three villages in mchinji district in the african swine fever (asf) enzootic area of malawi, following an outbreak of asf which affected all three villages. ticks of the ornithodoros moubata complex were collected from both pig sties and houses shortly after the outbreak, and approximately 24% contained asf virus. the proportion of ticks infected did not differ significantly in the three villages, or more surprisingly in different types of premises, and was ... | 1989 | 2737257 |
| effects of diets supplemented with lard fat or mackerel oil on plasma lipoprotein lipid concentrations and lipoprotein lipase activities in domestic swine. | levels of plasma lipoproteins and lipoprotein lipase activities in post-heparin serum were measured in 24-h fasted pigs which were fed a diet containing either 21 energy % mackerel oil or 21 energy % lard fat for 8 weeks. lipoprotein fractionation was performed separately by density gradient ultracentrifugation and agarose gel chromatography. after 8 weeks levels of plasma triacylglycerol (-62%) and cholesterol (-55%) were lower in the mackerel oil than in the lard fat-fed animals. the triacylgl ... | 1989 | 2719757 |
| an evaluation of three serological tests for antibody to brucella suis in pigs. | the rose bengal plate agglutination test (rbt), the complement fixation text (cft) and the tube agglutination test (tat) were applied to serums from 345 feral and 80 domestic pigs sampled at slaughter. at least 2 of the 3 serological tests were applied to each serum. tissues from all pigs were cultured for brucella suis and the degree of culture effort was categorised from 1 to 4 in decreasing order. fifty-eight feral and 35 domestic pigs were culture-positive. a greater proportion of culture-po ... | 1989 | 2712774 |
| mechanism of blood flow generated by precordial compression during cpr. i. studies on closed chest precordial compression. | the mechanism of forward flow produced by precordial compression during cpr was investigated with the aid of echocardiographic and hemodynamic measurements in anesthetized, mechanically ventilated domestic pigs. both mitral and tricuspid valves opened during compression diastole and closed during compression systole. valve motion persisted throughout resuscitation in 17 of 22 animals which were hemodynamically resuscitated. there was a 25 percent reduction in left ventricular area during compres ... | 1989 | 2707067 |
| effect of manual compared with reference point superimposition on image quality in digital subtraction radiography. | the aim of this study was to compare a new subtraction program based on positioning of reference points (rp) in the two images with the classic manual (m) superimposition of the images during recording. the experiments were performed on 22 dry mandibles from domestic pigs. a bone chip was prepared from the cortex with seven edges: 0.26, 0.30, 0.36, 0.42, 0.49, 0.55 and 0.72 mm thick respectively. each mandible was radiographed at 0 degrees vertical angulation without the bone chip. the bone chip ... | 1989 | 2701173 |
| metaphyseal aspects of stapling. an experimental study in pigs. | blount stapling of the growth plate induced changes in the metaphyseal architecture, which progressed in correlation to the postoperative follow-up. the stereological investigations revealed a subtile reaction of the medial stapled tibial plate in a total of 37 domestic pigs (10 weeks old) during the postoperative follow-up (up to 17 weeks). zone 1, 380-1120 microns distal to the plate representing "bone modelling", and zone 2, 1180-2360 microns distally representing "bone remodelling", were inv ... | 1989 | 2673134 |
| ciclopirox olamine lotion 1%: bioequivalence to ciclopirox olamine cream 1% and clinical efficacy in tinea pedis. | studies were conducted to assess the bioequivalence of a new antimycotic formulation, ciclopirox olamine lotion 1%, to an established compound, ciclopirox olamine cream 1%. results of in vitro studies, using skin samples from human cadavers and domestic pigs, demonstrated that the two formulations equally penetrate all layers of the stratum corneum and inhibit the growth of trichophyton mentagrophytes and candida albicans. in vivo studies in guinea pigs and in human volunteers demonstrated the c ... | 1989 | 2663159 |
| prevalence of streptococcus suis types 1 and 2 in domestic pigs in australia and new zealand. | using an indirect fluorescent antibody test, 54 per cent of 734 palatine tonsils of conventional pigs slaughtered in australia and new zealand were found to be infected with streptococcus suis type 1 and 73 per cent of 959 were infected with s suis type 2. variations in the prevalence of infection in pigs from different herds were thought to be due to differences in the sample sizes rather than to real differences in the prevalence between herds. the prevalence of infection with s suis was simil ... | 1989 | 2658296 |
| fetal pancreas transplantation in miniature swine. ii. survival of fetal pig pancreas allografts cultured at room temperature. | islet-allograft survival has been shown to be markedly prolonged in rodents when donor tissue has been precultured at 24 degrees c. in this study, the feasibility of this approach was tested in nih minipigs transplanted with fetal pancreases. collagenase-digested fetal pig pancreatic tissues survived in culture at 24 degrees c for 6-7 days and continued to grow in vitro at 37 degrees c after being transferred. these tissues no longer stimulated allogeneic lymphocytes in vitro, although some tiss ... | 1989 | 2642849 |
| [morphometric study of bone in domestic pigs with fluorosis caused by coal-burning pollution]. | forty four domestic pigs were divided into 2 groups: control group: 17 pigs; fluorosis group: 27. they were fed for 14 months in the endemic area or non-endemic area respectively. in some of the pigs, double tetracycline was given for bone dynamic study, and blood and urine were collected for biochemical analyses. iliac, tibia, fibula, the 2nd metatarsal and the 2nd vertebrae were reserved either for bone density measurement or for bone histomorphometric study. the results showed that fluoride c ... | 1989 | 2630015 |
| [trichinelliasis in western podolia]. | situation with trichinosis in the ternopol province (ukraine) in the period from 1962 to 1987 was studied. muscle samples taken from 6695 animals of 20 species were investigated by the compressor method and by the method of digestion in artificial gastric juice. trichinosis was detected in wolves, foxes, martens, ferrets, domestic dogs, cats and gray rats. in 1954--1979 39 trichinosis cases were registered in humans with 4 lethal cases. domestic pigs proved to be the source of invasion. since 19 ... | 1989 | 2628712 |
| evidence from immunoblotting studies on uncoupling protein that brown adipose tissue is not present in the domestic pig. | adipose tissues and other tissues of the pig have been examined for the presence of the mitochondrial "uncoupling protein," characteristic of brown adipose tissue, in order to assess whether brown fat is present in this species. mitochondria were prepared from various tissues and the proteins separated on the basis of molecular weight by sodium dodecyl sulphate--polyacrylamide gel electrophoresis. immunoblotting procedures were then used to probe for uncoupling protein, employing a rabbit anti-( ... | 1989 | 2627687 |
| effects of fluoride on cortical bone remodeling in the growing domestic pig. | the purpose of the experiment was to assess the effects of fluoride (f-) on the remodeling process of cortical bone. sixteen pigs, eight experimental animals receiving a supplement of 2 mg f-/kg b.w. and eight controls, were studied in individual sites from age 8 to 14 months. at slaughter samples of cortical bone were obtained from the right femur and embedded undecalcified. a new stereologic model based on fluorochrome tissue time markers and isotropic uniform random histologic sections was im ... | 1989 | 2624822 |
| histopathological features of unilateral stapling in animal experiments. | blount stapling of the proximal medial tibial growth was performed in 10-week-old domestic pigs. a total of 37 animals for up to 17 weeks were followed up. the histological evaluation showed a different reaction of the growth plate in the medial (stapled), central and lateral area. up to 6 days after stapling the morphological features were characterized by deviations of the cell column from the axial alignment. herniations of mature chondrocytes as well as isles of epiphyseal cartilage splinter ... | 1989 | 2619521 |
| a highly repeated sequence in the domestic pig: a gender-neutral probe. | 1989 | 2602124 | |
| influence of various adrenergic compounds on plasma potassium levels in conscious dogs and anaesthetized domestic pigs. | the influence of various compounds with affinity to beta-adrenoceptors on plasma potassium levels was investigated in conscious dogs and anaesthetized pigs. there was a marked fall, amounting to about 1 mmol/l following salbutamol and pirbuterol but nearly no effect following dobutamine and xamoterol. in dogs the hypokalaemic effect of salbutamol was augmented when prazosin was additionally applied. it is concluded, that the plasma potassium level is reduced mainly by beta 2-adrenoceptor stimula ... | 1989 | 2576204 |
| porcine adrenal prolactin receptors: characterization, changes during neonatal development and effects of hypoprolactinemia. | 1. adrenal prolactin (prl) receptors were identified within the adrenal cortex of pigs (sus domesticus), and found to be located specifically on isolated zona fasciculata/reticularis cells (6437 sites per cell). 2. these prl receptors were associated with binding to [125i]-oprl which was characterized as being time and temperature dependent, specific for prl, saturable, of high affinity (ka = 10(10)/m) with a single class of binding sites, and irreversible except under extreme conditions. 3. the ... | 1989 | 2566410 |
| [effect of cysteinyl leukotrienes on uterine strips from pregnant and non-pregnant swine]. | cysteinyl leukotrienes c4, d4 and e4 elicited concentration-dependent contractile response of pregnant and non-pregnant pig uterine strips during incubation in de jalon solution in concentrations between 1 x 10(-9)m and 1 x 10(-5)m for ltc4 and ltd4, and between 1 x 10(-8)m and 1 x 10(-5)m for lte4. the maximum contractions elicited by leukotrienes were 77.5 +/- 3.0%, 86.0 +/- 2.6% and 37.5 +/- 2.5% of these elicited by histamine 1 x 10(-5)m for ltc4, ltd4 and lte4, respectively. fpl 55712, leuk ... | 1989 | 2562080 |
| plasma catecholamines, ph, and blood pressure during cardiac arrest in pigs. | this study examined plasma epinephrine (e) and norepinephrine (ne) concentrations, ph, and mean arterial blood pressure (map) in a cardiac arrest model. twenty-three domestic swine (15-26 kg) were anesthetized with ketamine 20 mg/kg, i.m. and alpha-chloralose 25 mg/kg, i.v. and ventilated with a respirator. catheters were placed in the right ventricle, left ventricle and femoral arteries for map recordings and blood ph sampling every 2 min. catecholamine samples were taken from the femoral arter ... | 1989 | 2554447 |
| [estimation of the incidence of human trypanosomiasis due to trypanosoma brucei gambiense using epidemiological parameters essentially linked to the vector: case of a focus in the ivory coast]. | the entomo-epidemiological studies carried out from 1980 to 1985 in the human trypanosomiasis focus at bouaflé (ivory coast) were designed to estimate the main epidemiological parameters related to g. palpalis palpalis, the sleeping sickness vector in the zone considered. this paper defines the mathematical relationships which can exist between these parameters leading to the production of a simple model enabling estimates to be made of the incidence of human trypanosomiasis caused by t.b. gambi ... | 1989 | 2552942 |
| a survey of wild swine in the united states for evidence of hog cholera. | the results of surveillance for hog cholera (hc) in wild swine (sus scrofa) collected from throughout the united states from 1979 to 1987 are presented. sera collected from 1,218 wild swine and tissues from 637 were evaluated for hc antibodies and virus, respectively. included within this surveillance were samples from santa cruz and santa rosa islands, california, where hc virus had been deliberately introduced into wild swine during the 1950's in attempts to eradicate these animals. all evalua ... | 1989 | 2536850 |
| effect of zearalenone on early pregnancy in guinea pigs. | female guinea pigs were tested to determine whether they could serve as a model of zearalenone (zen) toxicosis during early pregnancy, as observed in domestic swine. only 1 of 4 female guinea pigs that were given 21 mg of zen/kg of body weight orally during the first 8 days after mating was pregnant when examined 22 days after mating. guinea pigs that were given 7 or 14 mg of zen/kg had normal fetal development. serum concentrations of progesterone were less than 12 ng/ml in all guinea pigs 8 an ... | 1989 | 2528930 |
| the effect of gas permeability of film dressings on wound environment and healing. | we have determined the effect of oxygen and carbon dioxide permeability of thin film dressings on wound exudate p o2, p co2, ph, and epithelialization in shallow wounds on domestic pigs. three kinds of films were compared: polyvinylidine chloride, a low gas permeability film; polyurethane, a medium gas permeability film; and poly(dimethyl silicone), a high gas permeability film. exudate under the silicone film had the highest p o2 and the lowest p co2; exudate under the polyurethane had intermed ... | 1989 | 2506289 |
| myocardial potassium uptake during experimental cardiopulmonary resuscitation. | changes in myocardial k+ handling were examined during ventricular fibrillation and subsequent cpr in ten domestic swine. during ventricular fibrillation, there was initial k+ efflux from the myocardium which was followed by myocardial k+ uptake during precordial compression. after successful defibrillation, a washout in k+ was observed. coronary potassium clearance was inversely related to the myocardial [h+], pco2, and lactate production. a negative correlation between cardiac vein [k+] and my ... | 1989 | 2504539 |
| myocardial acidosis associated with co2 production during cardiac arrest and resuscitation. | previous studies from our institution demonstrated significant hypercarbic acidosis in the mixed venous (pulmonary artery) blood in animals and human patients during cardiac arrest and cardiopulmonary resuscitation (cpr). in the present study, the acid-base state of the myocardium during cardiac arrest was investigated. cardiac arrest was electrically induced in 11 pentobarbital-anesthetized and mechanically ventilated domestic pigs. precordial compression was begun 3 minutes after onset of vent ... | 1989 | 2504512 |
| spectral sensitivity of cones in an ungulate. | ungulates have been classified as having arrhythmic eyes in the sense that they contain features appropriate both to diurnal and nocturnal life. the former is typically associated with multiple classes of cones and a color-vision capacity. to see if an arrhythmic animal has these features, the number of cone classes was determined and the spectra of these cones were measured in a common ungulate, the domestic pig (sus scrofa). examination with electroretinogram (erg) flicker photometry revealed ... | 1989 | 2487648 |
| the ultrastructure of capillary walls and perivascular space of the pineal gland in three representatives of suidae species. | the ultrastructure of capillary vessels and the perivascular space (pvs) of the pineal gland were investigated in the domestic pig, miniature pig, and wild boar. it has been ascertained that the capillaries of these animals have continuous thick walls without pores and fenestrations. in fetal period, capillaries with spacious lumina, bordered by 3 to 4 endothelial cells predominate. the pvs, as a rule wide open, contain nerve endings, pinealocyte process endings, and collagenous fibers which inc ... | 1989 | 2485786 |
| ultrastructural and histochemical investigations of the development of the medullary part of the adrenal gland in domestic pig (sus scrofa dom.) during the prenatal period. | the development of the adrenal medulla was investigated during the prenatal period in the pig. the observations were carried out on 221 embryos from 21 to 112 day post coitum. the histological, histochemical, ultrastructural and stereological methods were performed. first chromaffinoblasts infiltrated the adrenal cortex primordium around the 27-th day pc. they were mixed with cortical cells and just in the last days of pregnancy they were localized only in central part of adrenal. the chromaffin ... | 1989 | 2485784 |
| prenatal development of the adrenal in pig sus scrofa dom. part ii. adrenal cortex development in the second part of pregnancy. | the development of the adrenal cortex in pig fetuses between the 50 and 112 day of pregnancy were investigated with histological and histochemical methods and in electron microscope. three consecutive generations of the cortical cells were observed. they had features of steroidogenic cells and differed with mature of mitochondria and in amount of ser and in enzyme activity. the earliest differentiated fetal cortical cells demonstrated alkaline phosphatase activity and giant mitochondria. they we ... | 1989 | 2485783 |
| prenatal development of the adrenal gland in the pig (sus scrofa domestica). part i. the differentiation and development of the adrenal cortex primordium in the first half of pregnancy. | the differentiation and development of the adrenal gland in pig embryos from 18 to 48 days of pregnancy were investigated with histological and histochemical methods and in electron microscope. primordia of the adrenal cortex appear at 21st day as two symmetrical streaks of the condensed mesenchymal cells between the mesonephros, aorta dorsalis and mesenterium. the capillaries and chromaffinoblasts penetrate the primordium. the mesenchymal cells differentiate into adrenal cortical cells. in the ... | 1989 | 2485767 |
| histochemical demonstration of zinc in the hippocampal region of the domestic pig: i. entorhinal area, parasubiculum, and presubiculum. | a detailed description is given of the distribution of zinc in three areas of the domestic pig hippocampal region, viz., the entorhinal area, the parasubiculum, and the presubiculum. zinc was demonstrated histochemically with use of the neo-timm method, a recent modification of the sulphide silver procedure. each of the studied areas showed a distinctly stratified staining pattern, which has been correlated in detail to fields and layers defined on the basis of cyto- and fibroarchitecture, provi ... | 1989 | 2477401 |
| epinephrine-induced premature ventricular contractions and changes in arterial blood pressure and heart rate during i-653, isoflurane, and halothane anesthesia in swine. | i653 is a new inhalation anesthetic having especially desirable recovery characteristics because of its very low blood and tissue solubility. investigations of its cardiovascular and electroencephalographic effects have revealed actions similar to those of isoflurane. however, these studies did not evaluate the potential of i653 to predispose the heart to epinephrine-induced arrhythmias. in this investigation, we studied eight domestic swine to compare the effects of i653 with those of other ane ... | 1989 | 2464293 |
| [effect of iloprost on aggregation behavior in kidney conditioning and changes in iloprost concentration in kidney preservation]. | the conditioning of the donor by 1.0 microgram/kg x min iloprost over 15 minutes leads to a considerable inhibition of the aggregation of thrombocytes in the domestic pig. 160% more adp had to be added than before the application of iloprost. when 0.5 microgram/ml iloprost are added to the perfusion fluid and to the reperfusion fluid 0.22 microgram/ml and 0.27 microgram/ml, respectively, are to be proved in the venous efflux. whether or not the difference is absorbed or metabolized must remain o ... | 1986 | 2437731 |
| conservation of diagnostic antigen epitopes among biologically diverse isolates of trichinella spiralis. | crude and immunoaffinity-purified excretory-secretory antigens derived from a domestic pig isolate of trichinella spiralis were used in an enzyme-linked immunosorbent assay to test serum from mice infected with 25 different pig and wild animal isolates of t. spiralis sspp. all of the sera were found positive by elisa using either of the antigen preparations, indicating all isolates shared certain antigen epitopes. excretory-secretory antigens were prepared from 3 distinct isolates of t. spiralis ... | 1986 | 2434638 |