Publications
| Title | Abstract | Year(sorted descending) Filter | PMID Filter |
|---|
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| [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 |
| [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 |
| 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 |
| 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 |
| 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 |
| 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 |
| [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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| [changes in phospholipid metabolism in the skeletal muscle cell in induced malignant hyperthermia in the domestic pig]. | 1988 | 2850811 | |
| 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 |
| 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 |
| prevention of leptospira interrogans serovar pomona infection in domestic pigs by vaccination. | 1988 | 3190600 | |
| reciprocal chromosome translocations, (1p-; 11q+ and (1p+; 15q-), in domestic pigs with reduced litter size. | 1988 | 3192429 | |
| a male-specific repeated dna sequence in the domestic pig. | 1988 | 3194222 | |
| the effect of estradiol on quantitative changes in the ultrastructure of pinealocyte structures in sexually immature female domestic pigs. | 1988 | 3195189 | |
| 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 |
| 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 |
| 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 |
| [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 |
| standard karyotype of the domestic pig. committee for the standardized karyotype of the domestic pig. | 1988 | 3230021 | |
| chromosome banding studies and synaptonemal complex analyses of four reciprocal translocations in the domestic pig. | 1988 | 3230023 | |
| 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 |
| suppression of pentylenetetrazol-elicited seizure activity by intraosseous propranolol in pigs. | the intraosseous (io) route provides a rapid and effective alternative venous access in the pediatric population when the conventional intravenous (iv) route cannot be easily obtained. dl-propranolol, a beta-adrenoceptor antagonist, exhibits antiepileptic activity in various animal seizure models. this study assessed the efficacy of io propranolol in suppressing pentylenetetrazol (ptz)-induced seizure activity in pigs. domestic swine (13-20 kg) were prepared for recordings of arterial blood pres ... | 1988 | 3243927 |
| gross anatomy of the craniomandibular joint and masticatory muscles of the dog. | the craniomandibular joint (cmj) and masticatory muscles in 15 dogs (canis familiaris) were dissected. the major structures were fossa, disc and condyle surrounded by a thin fibrous capsule. the horizontally orientated temporal fossa had a pronounced tubercle anteriorly. posteriorly, a retroarticular process curved backwards. this fossa and process closely surrounded the condyle. the disc was thin. the cylindrically-shaped condyle was elongated in the medio-lateral direction, situated at right a ... | 1988 | 3254129 |
| prototheca zopfii: natural, transient, occurrence in pigs and rats. | domestic swine faeces and fresh faeces from trapped barnyard rats were heavily contaminated with prototheca zopfii, a cause of dairy cow mastitis. when the pigs and rats were maintained on prototheca-free diets, the transient intestinal population of p. zopfii decreased precipitously and disappeared. when combined with the information that other farm animals excrete p. zopfii, it was concluded that contaminated animal feed may be the source of large numbers of p. zopfii in the farm environment. ... | 1988 | 3278239 |
| insulin-like growth factors in the göttinger miniature-pig. | igf i was determined by a radioimmunoassay and igf ii by a radioreceptorassay in 20 göttinger miniature (mini)-pigs and 13 domestic pigs of different weight and age. immunoreactive igf i serum levels of mini-pigs were similar to those of domestic pigs in corresponding age-classes (150-250 and 100-270 micrograms/l, respectively). no differences were detectable between receptor-reactive igf ii serum levels in mini-pigs (150-200 micrograms/l) and domestic pigs (110-270 micrograms/l) nor did the bio ... | 1988 | 3289301 |
| an animal model for radiologic biliary interventional procedures. | procedural development, in vivo evaluation, and professional training in interventional biliary radiology require an animal model that provides easy and safe access to the gallbladder and bile ducts. a porcine model was used successfully for catheterization of the biliary system under fluoroscopic control. permanent access to the gallbladder of ten pigs was achieved with a large-bore cholecystostomy catheter. catheterization of the common bile duct through the cystic duct was feasible in all ani ... | 1988 | 3338897 |
| influence of serotonin on myocardial blood flow in the presence and absence of a coronary arterial stenosis: observations in domestic swine. | this study tested the hypothesis that 5-ht may impair coronary flow regulation by inappropriately increasing arteriolar tone in the coronary circulation. ten closed chest, domestic swine were studied both in the presence and in the absence of a severe artificial intraluminal coronary stenosis. a 5-french micromanometer catheter with fluid lumen was placed in the left anterior descending coronary artery and used to record pressure and infuse 5-ht (40 and 100 micrograms/min) into the coronary circ ... | 1988 | 3353390 |
| effect of pressure-controlled intermittent coronary sinus occlusion on pacing-induced myocardial ischemia in domestic swine. | this study tested the hypothesis that pressure-controlled intermittent coronary sinus occlusion (picso) would be useful in ameliorating myocardial ischemia under conditions characterized by preserved, but reduced (relative to demand), myocardial blood flow. studies were conducted in closed-chest, sedated domestic swine prepared with an artificial stenosis that reduced luminal diameter of the animal's left anterior descending coronary artery by 80%. measurements of hemodynamics, regional myocardi ... | 1988 | 3370777 |
| periodontal disease in feral pigs (sus scrofa) from queensland, australia. | periodontal lesions were present in 26 of 107 feral pigs (sus scrofa) that were shot in southern queensland. the severity of the lesions varied from gingivitis to extensive destruction of the alveolus and its contents. examination of slaughtered domestic pigs revealed a similar prevalence of lesions (12 of 52). only cheek teeth were affected, and molars were affected more frequently than premolars. in both feral and domestic pigs, prevalence of periodontal disease affecting bone increased with a ... | 1988 | 3373625 |
| comparative anatomy of the foramen ovale in the suina. | the structure of the foramen ovale from six species of suina was studied using the scanning electron microscope. in each species, the foramen ovale, when viewed from the terminal part of the caudal vena cava had the appearance of a short tunnel. in the domestic pig (sus scrofa), the wart hog (phacochoerus aethiopicus) and the bush pig (potamochoerus porcus) a fold of tissue projected from the caudal edge of the foramen ovale into the lumen of the left atrium. it constituted a large proportion of ... | 1988 | 3377202 |
| fatigue of three skeletal muscles in domestic and wild pigs. a comparative study in situ. | the semitendinosus, the gastrocnemius and the soleus muscle were stimulated in situ in young, female domestic pigs (sus scrofa domestica, german landrace) and in european wild pigs (sus scrofa scrofa), by supramaximal impulses via the sciatic nerve. fatigue indices of the whole muscles were registered during a continuous supramaximal stimulation with square wave impulses (0.3 ms) that were given for 10 s with a frequency of 100 hz. in domestic pigs, fatigue indices of all three muscles were sign ... | 1988 | 3399363 |
| isolation of african swine fever virus from ticks of the ornithodoros moubata complex (ixodoidea: argasidae) collected within the african swine fever enzootic area of malawi. | ticks of the ornithodoros moubata complex were collected from domestic pig sties and dwelling houses, and from a warthog habitat, and tested for the presence of african swine fever (asf) virus. collections were made in 9 of the 24 districts of malawi, these being primarily the districts in which o. moubata is most numerous. asf virus was isolated from ticks collected in both domestic pig sties and houses in certain villages in mchinji district where asf outbreaks had recently occurred. mchinji d ... | 1988 | 3402546 |
| metabolic response to prolonged reduction of myocardial blood flow distal to a severe coronary artery stenosis. | limited data are available concerning the effects of mild-to-moderate, sustained reductions of coronary blood flow on myocardial aerobic metabolism. this study tested the hypothesis that a sustained flow reduction distal to a severe coronary artery stenosis may be well tolerated (after the initial insult is passed) because of gradual improvement in the balance between myocardial oxygen supply and demand. studies were performed in eight sedated, closed-chest domestic swine that were instrumented ... | 1988 | 3409507 |
| cardiovascular effects of i653 in swine. | i653 (difluoromethyl 1-fluoro 2,2,2-trifluoroethyl ether) is a new inhalation anesthetic with a low blood-gas partition coefficient and no demonstrable toxicity. the authors examined its cardiovascular effects at 0.8, 1.2, and 1.6 mac in eight chronically instrumented domestic swine mechanically ventilated to maintain normocarbia. these data were compared with those obtained while the animals were conscious and while anesthetized with isoflurane at approximately equal mac multiples. i653 caused ... | 1988 | 3415011 |
| 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 |
| [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 |
| 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 |
| experimental intrahepatic portacaval anastomosis: use of expandable gianturco stents. | original gianturco expandable stents and their modifications were used to create an experimental intrahepatic portacaval anastomosis (eipca) in 30 young domestic swine without portal hypertension. the study focused on the design of a suitable stent, the technique of its application, and the evaluation of short-term patency of the eipca. a stent with a 2.5-cm-long body and wire skirts on both ends was most suitable for eipca creation. well-positioned stents shunted most of the portal blood in the ... | 1987 | 3797662 |
| intraosseous diazepam suppression of pentylenetetrazol-induced epileptogenic activity in pigs. | intravenous access for the administration of antiepileptic drugs can be both time-consuming and difficult in an actively seizing infant. we conducted a study to examine the intraosseous route as an alternate means of vascular access for the administration of diazepam in a pentylenetetrazol-seizure model in pigs. epileptogenic activity was induced with pentylenetetrazol 100 mg/kg in 15 domestic swine that had undergone craniotomies for electrocortical recording. diazepam (0.1 mg/kg) was administe ... | 1987 | 3800088 |
| a computer model of hemorrhagic shock in domestic swine. | we used a modified version of the computer model of the circulation developed by c.v. greenway (pharmacol rev 33:213-251, 1982) to study the volume-pressure relationship of the systemic venous circulation during and immediately after massive blood loss. our theoretical predictions were based on experimental measurements performed in conscious, chronically instrumented swine subjected to massive and rapid loss of a predetermined amount of blood. these animals were subjected to an exponential remo ... | 1987 | 3829330 |
| measurement of plasma adenosine concentration: methodological and physiological considerations. | this study tested the hypothesis that measurements of plasma adenosine concentration made on samples of blood obtained in dipyridamole and ehna (i.e., "stopping solution") may be falsely elevated as a result of ongoing in vitro production and accumulation of adenosine during sample processing. studies were performed with samples of anticoagulated blood obtained from anesthesized domestic swine. adenosine concentration of ultra filtrated plasma was determined by high-pressure liquid chromatograph ... | 1987 | 3554257 |
| "atraumatic" transjugular needle for portal vein puncture in swine. | a new coaxial needle-catheter system was designed for transjugular portal vein puncture in young domestic swine. it was tested in 32 animals and successfully entered the portal circulation via a hepatic vein or intrahepatic portion of the inferior vena cava. no complications were encountered. | 1987 | 3562845 |
| evidence for aggression-modulating pheromones in prepuberal pigs. | a series of behavioral bioassays were conducted to determine the aggression-influencing properties of urine and other fluids. subjects were prepuberal castrated male and female domestic pigs from commercial stocks. in the behavior assay, pigs were painted with a test fluid and grouped for a videotaped 90 min observation period. experiment 1 validated use of videotape recording by showing that duration of aggressive behavior registered live was correlated with that obtained from video records (r ... | 1987 | 3566690 |
| biochemical events during stapling of the proximal tibial epiphyseal plate in pigs. | epiphyseal stapling is considered a safe, effective method of correcting angular deformities of the knee in growing children. a study of the underlying biochemical events would contribute to a better understanding of the control of longitudinal growth rate in epiphyseal growth plates and of the molecular pathology of exaggerated physiologic bowleg or knock-knee deformities. blount stainless staples were applied to the medial side of the proximal tibia epiphyseal growth plate of domestic pigs. th ... | 1987 | 3568490 |
| the high resolution r-banded karyotype of the domestic pig, sus scrofa domestica l. | a representative haploid r-banded karyotype of the domestic pig, and a diagrammatic representation of the banding patterns at the 550 band level are presented. | 1987 | 3568755 |
| trichinella spiralis in an agricultural ecosystem. ii. evidence for natural transmission of trichinella spiralis spiralis from domestic swine to wildlife. | epidemiological investigations of an outbreak of trichinellosis were carried out in a domestic swine herd and it was established that the parasite also occurred in rats, and in skunks, opossums, and raccoons. because considerable uncertainty exists regarding the role of sylvatic trichinellosis as a reservoir for the synanthropic cycle, studies were conducted to determine the genetic nature of the various isolates from this ecosystem. pig infectivity trials, isoenzyme analyses, and repetitive dna ... | 1987 | 3572642 |
| a comparison of three geographical isolates of trichinella spiralis from the mid-atlantic united states. | three isolates of trichinella spiralis (black bear: 41o50'n, 79o00'w, 1982; grey fox: 41o00'n, 76o00'w, 1982; domestic pig: 39o80'n, 75o30'w, 1983) from the mid-atlantic united states were characterized in crl: cobs cfw (sw) mice during 10 successive 40-day generations. over 10 generations, the isolates differed as follows: worm position of the ursine isolate was significantly more posteriad compared to the porcine isolate; sex ratio of the vulpine isolate was significantly lower compared to the ... | 1987 | 3572653 |
| articular cartilage blood vessels in swine osteochondrosis. | perfusion studies in swine with early lesions of osteochondrosis demonstrated that lamellar areas of chondrocyte necrosis within reserve zones of growth areas occurred only in regions of nonperfused articular cartilage. articular cartilage with a similar anatomical location was perfused in some animals. occasionally, nonperfused articular cartilage showed vascular alterations within cartilage canals without evidence of significant perivascular or lamellar necrosis. by light microscopy, some vess ... | 1987 | 3576906 |
| a reciprocal translocation (7q-;12q+) in the domestic pig. | 1987 | 3583780 | |
| biliary and urinary excretion of peptide leukotrienes in the domestic pig. | the metabolism of leukotriene (lt)c4 and its major routes of elimination in vivo have been studied in four anesthetized domestic pigs administered intravenous [3h]-ltc4 (0.5 microci/kg). the kinetic profile of ltc4 in the blood was followed for 60 min after administration while the biliary and urinary excretion of ltc4 and its metabolites were determined over a 120 min interval. the total recovery of radioactivity in bile and urine was 45% +/- 1 (n = 3) and 18% (n = 2) respectively. examination ... | 1987 | 3588975 |
| in vitro normalization of cholesteryl ester content and particle size of fish eye disease high density lipoproteins. | isolated high density lipoprotein (hdl) from the two living fish eye disease patients have been incubated in vitro with autologous lipoprotein depleted plasma or with lipoprotein depleted plasma from domestic pig (sus domesticus), with and without the presence of lcat inhibitor for 24 hours at 0 and 37 degrees c. the lecithin:cholesterol acyltransferase (lcat) activity in lipoprotein depleted pig plasma increased the abnormally low cholesteryl ester content of the fish eye disease hdl particles ... | 1987 | 3591466 |
| influence of steroids on hemorrhagic and traumatic shock. | a hemorrhagic-traumatic shock model in 20 domestic pigs (sus scrofa) was used to evaluate the pharmacologic effect of methylprednisolone in preventing disseminated intravascular coagulation (dic). pairs of animals were anesthetized with thiopental and both femoral arteries cannulated. four ml/kg-1 of blood were withdrawn, frozen, thawed, and returned to the animal. one femoral artery cannula was connected to a blood pressure monitor for arterial systolic, diastolic, and mean pressures along with ... | 1987 | 3599114 |
| [structure of the efferent ductules of the domestic pig (sus scrofa domestica)]. | the ductuli efferentes of the pig have 2 distinct and continuous segments: the proximal or intratesticular segment that is formed in sequence to the labyrinthic portion of the rete testis, on the cranial extremity of the testis, and the distal or epididymal segment that forms the cani vasculosi or lobuli epididymidis. the testicular ductuli are more thicker and the epididymal ductuli are more thin, long and flexuous. the last segment is very coiled and forms a bulboid structure that is placed in ... | 1987 | 3605639 |
| effects of pentoxifylline on experimental skin flap survival. | we studied the effects of pentoxifylline on experimental skin flap survival in the domestic pig. random skin flaps were designed using a length-width ratio of 5:1. the pigs were then given pentoxifylline (25 mg/kg/d) or placebo for seven days. fluorescein sodium was used to help determine surviving skin flap length seven days postoperatively. results showed no significant difference in mean surviving skin flap length between the study and control groups. we question the value of pentoxifylline i ... | 1987 | 3606845 |
| the r-banded karyotype of the domestic pig (sus scrofa domestica l.). | 1987 | 3610655 | |
| variations in the monoamine oxidase-inhibitory activity ("tribulin?") in pig's urine. | sandler and his colleagues (see sandler, 1982) have demonstrated the presence of an endogenous inhibitor of the enzyme monoamine oxidase (mao) and of benzodiazepine receptor binding in the urine and blood plasma of man and rat. the concentrations of this material increased under stress conditions and it has been named "tribulin". in the present experiments mao-inhibitory activity was found in extracts of urine and plasma samples of domestic pigs. evidence was obtained that the inhibitory activit ... | 1987 | 3625194 |
| failure of foreign serum injections to induce immune vasculitis and to accelerate spontaneous or cholesterol-induced atherosclerosis in swine. | experiments were conducted with domestic swine in an attempt to accelerate and/or modify spontaneous or cholesterol-induced atherosclerosis through immune complex-produced changes in the arterial wall. for the purpose of comparison, another experiment was carried out with rabbits. swine differed completely from rabbits in that various experimental designs failed to produce immune complex arteritis and fibroproliferative arteriosclerosis. in addition, two foreign serum infusions (human plasma and ... | 1987 | 3632754 |
| [changes in the content of membrane phospholipids of subcellular structures of skeletal muscle in halothane-induced malignant hyperthermia of the domestic pig]. | 1987 | 3651204 | |
| the occurrence of trypanosoma (nannomonas) simiae in the cerebrospinal fluid of domestic pigs. | 1987 | 3658977 | |
| gastrointestinal absorption of americium-241 by orally exposed swine: comparison of experimental results with predictions of metabolic models. | two groups of 11-week-old swine (40 miniature and 40 domestic swine) received a single oral administration of 1.9 x 10(8) bq (5.2 mci) of 241am citrate, and groups of eight animals, four of each type, were killed and sampled at 1, 2, 4, 8, 16, 24, 48, 72, and 96 h and 30 days later. uptake and excretion patterns of the radioactivity appeared to occur in three phases: rapid uptake, rapid excretion, and then a slower excretion. all animals were systematically dissected, and the eviscerated carcass ... | 1987 | 3659299 |
| trypanosome infections in glossina spp. inhabiting peridomestic agroecosystems in nsukka area, anambra state, nigeria. | trypanosome infections in glossina spp. inhabiting three peridomestic agroecosystems in nsukka area were studied by dissection from april 1984 to july 1985. approximately 0.65% of 4620 g. tachinoides and none of 17 g. palpalis were found with maturing or mature trypanosome infections. of these infections, 20% were due to the trypanosoma brucei group, 40% to the t. congolense group, and 40% to a mixture of the t. brucei and t. congolense groups. trypanosome infection rates did not differ signific ... | 1987 | 3662674 |
| role of adenosine in mediating the coronary vasodilative response to acute hypoxia. | to test the hypothesis that adenosine is required to mediate the coronary vasodilative response to acute hypoxia haemodynamic indices, regional myocardial blood flow, and oxygen and lactate metabolism were measured in nine closed chest anaesthetised domestic swine at control, after 3-5 min of 100% nitrogen inhalation, at second control, and after 3-5 min of 100% nitrogen inhalation plus adenosine deaminase infusion in the left anterior descending coronary artery. cardiac lymph adenosine deaminas ... | 1987 | 3664545 |
| study of cathepsin a, b and d activities in the skin wound edges. its application to the differential diagnosis between vital and postmortem wounds. | the aims of the authors in this paper has been to check the diagnostic ability of the cathepsin a, b and d concentrations in the skin wound edges to the differential diagnosis between vital and postmortem wounds. we have studied 56 domestic pigs grouped in seven experimental series consisting of 8 animals in each, according to the time (0, 5, 15, 30 min and 1, 3 and 6 h) after the injury. the enzymatic activities were investigated following the methods by bowen and davison biochem. j., 131 (1973 ... | 1987 | 3679037 |
| cardiac and coronary consequences of intracoronary platelet activating factor infusion in the domestic pig. | in previous studies we have shown that platelet-activating factor (paf) is a potent vasoactive substance with deleterious effects on coronary blood flow (cbf) and myocardial performance. the present study further investigates the effects of paf during its sustained intracoronary infusion in the blood-perfused domestic pig (n = 16). paf infusion (1-9 nmol/min) produced triphasic changes in cbf (n = 7): an initial brief phase of coronary dilation (14 +/- 2% above baseline), followed by severe redu ... | 1987 | 3685397 |
| hepatic vs. gastrointestinal presystemic extraction of oral midazolam and flurazepam. | an experimental model was developed to elucidate the site of presystemic extraction of drugs with incomplete bioavailability due to high extraction after p.o. dosage. domestic pigs received single i.v. or p.o. doses of midazolam (1 mg/kg) or flurazepam (2 mg/kg), two benzodiazepine derivatives with high presystemic extraction after p.o. dosage. multiple blood samples were simultaneously drawn from the portal vein and from a systemic vein during 8 hr after dosage. after i.v. administration, both ... | 1987 | 3694534 |
| absence of a nocturnal rise in either norepinephrine, n-acetyltransferase, hydroxyindole-o-methyltransferase or melatonin in the pineal gland of the domestic pig kept under natural environment photoperiods. | castrated male and intact female pigs were kept under natural photoperiodic and temperature conditions and were killed over a 24 h period in either may (under long days) or in december (under short days). neither the pineal norepinephrine (ne) concentration nor the melatonin content rose at night; likewise, neither the activities of n-acetyltransferase (nat) nor hydroxyindole-o-methyltransferase (hiomt) increased during darkness. in may pineal melatonin content actually decreased (p less than 0. ... | 1987 | 3696466 |
| intratubular germ cell tumours of pig testicles. | in the course for the histopathological examination of testicles of 30 castrated boars the authors have observed in 4 animals the intratubular growth of atypical germ cells. on the basis of the histological picture this change is equivalent to the human infertile testicles, observed as carcinoma in situ, resp. intratubular germ cell tumour. the described phenomenon occurred in atrophic testicles in 3 of the 4 old animals. the described change in the domestic pig, not known so far, raises the pos ... | 1987 | 3425959 |
| [isolation of a phosphoprotein from preeruptive dentin from molars of domestic pigs (sus scrofa domesticus)]. | isolation of a phosphoprotein from dentin of pre-eruptive molars of sus scrofa domesticus. a protein with a relative molecular mass of 60,000 kd was isolated from dentin of unerupted pig molars. the electrophoretically homogeneous protein was identified as phosphoprotein with a specific staining procedure. the phosphorylation degree is 75%. the amino-acid composition and the molecular mass were compared with values of other species. | 1987 | 3426568 |
| isolation of japanese encephalitis virus from a sentinel domestic pig from kolar district in karnataka. | 1987 | 3428962 | |
| [anatomic studies of the pulmonary hypertension syndrome in the domestic pig]. | 1987 | 3439630 | |
| a complex three breakpoint translocation in the domestic pig. | 1987 | 3447474 | |
| [cytoarchitecture and topography of the preoptic area and several selected nuclei of the rostral hypothalamus of the pig (sus scrofa domestica)]. | 1987 | 3450096 | |
| dietary mackerel oil in pigs: effect on plasma lipids, cardiac sarcolemmal phospholipids and cardiovascular parameters. | the influence of substitution of eicosapentanoic acid to the diet has been investigated in juvenile domestic pigs (7-8 kg) fed either a mixture of 4.5% (wt/wt) mackerel oil and 4.5% (wt/wt) lard fat (n = 12, ml group) or a 9% (wt/wt) lard fat (n = 12, l group) diet for 16 wk. plasma triglyceride and total cholesterol did not change in l, but had decreased in ml to 51 +/- 8 and 81 +/- 8% of the initial values, respectively, at the end of this period; the largest decreases already occurred during ... | 1987 | 3305815 |
| an updated survey of african swine fever in malawi. | cases of african swine fever (asf) confirmed in the laboratory in 1985 and 1986 and other data obtained since 1984, in particular and extension of the serological survey of free-ranging domestic pigs undertaken from 1981 to 1984, are presented to give an updated survey of the asf situation in malawi and a revised estimate of the asf enzootic area. evidence is presented that the area may include some border areas in dedza and ntcheu districts and may be expanding in some localities. | 1987 | 3322852 |
| [arterial vessels of the kidney in domestic swine]. | by histological preparation, measuring, corrosion and angiography were studied the arterial blood vessels of 120 kidneys from 60 individuals at different ages. it was established that the kidney artery in the most cases (70%) divides by the dichotomous type in cranial and caudal or in dorsal and ventral branches, and rarely (30%) by the disseminated type in 3 branches--two cranial and one caudal. investigated were the position, course and branching of the prelobar, interlobar, the arcuate, the i ... | 1987 | 3328404 |
| 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 |