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some elements and their relationships in ascaris suum. 19761262124
scanning electron microscopy of the lip denticiles of ascaris suum adults of known ages.purebred hampshire pigs, farrowed and maintained under conditions precluding extraneous helminth infection, were exposed to a single dose of 10,000 ascaris suum infective eggs. the pigs were killed at intervals of 28, 41, 55, 86, 115, 145, 175, and 206 days after infection. at necropsy, no gross lesions were found in the lungs or livers of infected pigs. the worms were recovered from the small intestine, identified, counted, and fixed. the heads were excised, critical point dried, mounted en fac ...19761263037
cuticular reactivity of the early larval stages of ascaris suum: adhesion and degranulation of polymorphonuclear leukocytes of the surface of opsonized larvae of a. suum. 19761279081
crabtree effect with the intestine of ascaris suum. 1976939086
subcellular localization of glyoxylate cycle enzymes in ascaris suum larvae.evidence is presented on the particulate nature of glyoxylate cycle enzymes in metazoa with the use of 15-day old larvae of the nematode ascaris suum. homogenization procedures were developed to disrupt the resistant nematode cuticle. malate synthase and isocitrate lyase, key enzymes of the glyoxylate cycle, consistently sedimented with mitochondrial enzymes in differential pellets while catalase, a major peroxisomal enzyme, was always soluble. isopycnic sucrose gradient centrifugation of the di ...1976939782
[the influence of ascaris suum infection upon growth rates in pigs (author's tranls)].the influence of experimental ascaris suum infection upon growth rates in pigs has been studied in two experiments with disease-free pigs. in pigs where a patent ascaris infection was established growth rates were decreased by appr. 20% compared with parasite-free controls. the experiments have revealed that the negative influence of ascaris suum upon growth is caused both by the larvae during migration through the lungs and by the presence of adult worms in the intestine.1976940739
[cholinoreception in ascaris suum (nematoda) ascarids and the liver fluke fasciola hepatica (trematoda)].homogenates of synaptically rich structures of the body (the anterior end of a. suum and f. hepatica, as well as narrow strips of the anterior part of a. suum with median nerves and innervation processes of muscle cells) have been tested for the presence of acetylcholine receptor protein (achr). strips of the a. suum muscle tissue with low content of synaptic structures served as a control. achr was detected by the decrease in the optic density at 260 nm and by the decrease in the reactivity of ...1976941583
protection by acetylsalicylic acid and other agents in experimental acute interstitial pneumonia of calves.in experimental acute interstitial pneumonia caused by ascaris suum, therapy with aspirin (acetylsalicylic acid) provided symptomatic control of the condition, reducing or abolishing the characteristic "setback". treatment with antihistamines or antiserotonin agents caused no observable clinical improvements.1976943884
the effect of cholinergic agents on a canine model of allergic asthma.pharmacologic agents capable of influencing the activity of the cholinergic nervous system were evaluated for possible effects on a canine model of allergic asthma. dogs with an active cutaneous sensitivity to an antigen (ag) prepared from ascaris suum were subjected to repeated aerosol ag provocations at 2-wk intervals. ag-induced increases in pulmonary resistance (rp) and decreases in dynamic lung compliance (cdyn) were obtained in the presence and absence of drugs. the intravenous administrat ...1976947975
studies on species specificity of proteins in ascaris lumbricoides and ascaris suum.the separate identity of a. lumbricoides and a. suum was confirmed by means of the disc electrophoresis method in that differences were established in the protein profile of somatic and ribosomal proteins. in addition differences were found in the representation of lipoproteins, glycoproteins, and in the activity of ldh, sdh, peroxidase, esterase and alkalic phosphatase.1976950183
experimental and field studies with thiophanate in pigs.thiophanate, administered at a dosage of 50 mg per kg to artifically infected pigs, removed 96 to 99 per cent of adult oesophagostomum spp, hyostrongylus rubidus and trichuris suis. activity was also high against larval stages of these nematodes, except for 26-day-old t suis. thiophanate also showed ovicidal and larvicidal activity against h rubidus and oesophagostomum spp. at 50 mg per kg thiophanate administered alone was inactive against ascaris suum and metastrongylus apri, the former specie ...1976969196
[surface structure and function of the outer protein cover of eggs of ascaris suum (nematoda)]. 1976985314
[effect of the temperature regimen on the kinetic and thermodynamic functions of the enzyme urease in the helminths of warm-blooded and cold-blooded animals].the determination of the constant of the urea fission rate and study of the temperature dependence (activation energy) of the urease activity on warm- and cold-blooded animals in ascaris suum and contracaecum aduncum were undertaken. it has been shown that the constant of the urea fission rate in c. aduncum is more than an order of magnitude higher than that in a. suum. at a temperature of 17 degrees the rate of this process in c. aduncum changes but little while in a. suum it practically ceases ...1976986602
ascaris suum: immunosuppression in mice during acute infection. 1976987921
ascaris suum and toxocara canis: egg extract antigens in guinea pigs and the macrophage migration inhibition test. 1976987922
[development of ascaris suum (goeze, 1782) in wistar and black-hood strain rats free from invasion and previously infested with nippostrongylus brasiliensis (travassos, 1914)]. 1976988678
[survival of parasitic elements in liquid manure: effect of xylene (author's transl)].the spreading of liquid manure may play a role in the transmission of parasitism. in this preliminary study, we have investigated the evolutionary and survival capacities of parasitic elements in liquid manure, their development potential after extraction and the destructive action of xylene in concentration of 1 p. 1000. as parasitic models we have retained: the coccidial oocyst (e. tennella), a thick-shelled egg (a. suum), thin-shelled eggs (h. contortus, o. quadrispinulatum), a trematode egg ...1976988777
[specificity of proteolytic enzymes of ascaris suum and ascaridia galli]. 19761024138
[ascaris suum goeze, 1782 in sheep from the province of valdivia, chile (author's transl)]. 19761029479
structure and function of the glandular vas deferens in ascaris suum (nematoda).the glandular vas deferens in the linearly arranged male reproductive tract in ascaris suum produces substances which cause marked morphological and physiological changes in the spermatozoa. the glandular secretions, presumably formed by the rough endoplasmic reticulum and golgi saccules, are extruded from the cells and coalesce to form homogeneous masses in the gland lumen. in sexually inactive worms the secretory material is separated from the spermatozoa by a sphincter comprised of neuro-musc ...19761033989
studies on immune responses to parasite antigens in mice. i. ascaris suum larvae numbers and antiphosphorylcholine responses in infected mice of various strains and in hypothymic nu/nu mice.in terms of day 7 lung larvae numbers, mice vary markedly in their suscepibility to a first infection with the nematode worms, ascaris suum, and the highly susceptible strain, c57bl, is resistant to second infection. time course studies suggested that the period of residence in the liver or migration to, or into, the lungs are stages of the life cycle in which natural or acquired resistance of the host is expressed. the traits, susceptibility and resistance to first infection, were under polygen ...19761087923
studies on immune responses to parasite antigens in mice. ii. aspects of the t cell dependence of circulating reagin production to ascaris suum antigens.heat-labile, rat skin-fixing antibodies were detected readily in the sera of young female mice dosed intranasally with the body fluid of ascaris suum (abf) and the adjuvant, bordetella pertussis vaccine (bpv). in addition, washed cell suspensions prepared from spleen and the lymph nodes regional to the lungs were positive in an adoptive cutaneous anaphylaxis assay, an assay which may detect activities of reagins associated with mast cells rather than reaginic antibody-secreting cells. the intrap ...19761087924
nad+-malic enzyme. regulatory properties of the enzyme from ascaris suum.the regulatory properties of the nad-dependent malic enzyme from the mitochondria of ascaris suum have been studied. the malate saturation curve exhibits sigmoidicity and the degree of this sigmoidicity increases as the ph is increased. fumarate was the only compound tested that stimulated the enzyme activity, whereas oxalacetate was the most powerful inhibitor. activation by low levels of fumarate was found to be competitive with malate. it is proposed that this stimulation has physiological si ...1976180002
effect of ascaris extract applied intravenously, on segment bronchus and the influence of ipsilateral vagus blockade.respiratory hypersensitivity and systemic effects after local application of ascaris suum extract on the segmental bronchus and after its intravenous infusion are studied on four boxer dogs. influence of ipsilateral vagus blockade on the respiratory hyperreactivity after intrabronchial application of ascaris was also investigated on the same dogs. ascaris extract was applied in liquid form directly through a catheter into the right segmental bronchus. egg albumin was applied in the same way for ...19767007
proteinase activity in ascaris suum eggs, hatching fluid, and excretions-secretions.hatching fluid and the excretions and secretions (e.s.) of hatched larvae of ascaris suum revealed proteinase activity when assayed by 2 different procedures employing collagen or casein as substrates. both assays apparently detected similar levels of proteinase activity in hatching fluid and e.s. of hatched larvae. the anson (casein substrate) assay worked best in 0.05 m phosphate buffer, ph 8.0. the azocoll (collagen substrate) assay worked best in 0.05 m borate buffer at ph 8.8. azocoll assay ...197610365
the distribution of concanavalin a binding sites on the intestinal epithelium of the nematodes ascaris suum and parascaris equorum.receptors for concanavalin a (con a), were localized on the intestinal epithelium of the nematodes ascaris suum and parascaris equorum. fixed tissue incubated in 3h-con a showed labeling of the microvilli surface and basal membrane. using con a coupled with peroxidase, the tips of the microvilli of ascaris suum and the tips and lateral surfaces of parascaris equorum were stained. the basal membrane of both species was also labeld. no labeling was observed on control tissue incubated without con ...1976791496
studies on immune responses to parasite antigens in mice. iv. inhibition of an anti-dnp antibody response with the antigen, dnp-ficoll containing phosphorylcholine.several nematode parasites contain phosphorylcholine (pc), and mice infected with ascaris suum and nippostrongylus brasiliensis produce igm anti-pc antibodies. pc is a hapten which usually induces highly restricted antibody responses in mice and the conjugate dnp-ficoll-pc inhibits an adoptive secondary anti dnp antibody response to dnp-flagellin whereas comparable doses of dnp-ficoll and ficoll-pc do not. the finding suggests that the restricted anti-pc responses to pc-containing antigens descr ...1976797669
studies on enzymes from parasitic helminths. v. purification and characterization of glyceraldehyde 3-phosphate dehydrogenase from ascaris suum muscle. 1975809227
humoral factors affecting mouse peritoneal cell adherence reactions to ascaris suum.the abilities of normal mouse peritoneal exudate cells and fluids to mediate in vitro cell adherence reactions to ascaris suum juveniles were investigated. exudates were induced by intraperitoneal injection of sephadex g-25 or by infection with a. suum and changes in the peritoneal cell populations were determined. the presence of a heat-labile component, probably complement, and a heat-stable component, probably immunoglobulin, in the peritoneal exudate fluid were required for optimum in vitro ...1975809354
[comparative study of the antigenic structure of toxocara canis (werner, 1782) and ascaris suum (goez, 1782) in immunodiffusion and immunoelectrophoretic reactions]. 1975809655
induction of mouse homocytotropic antibodies to timothy pollen antigens.the igg1 and ige homocytotropic antibody responses of laf and c3h mice to timothy pollen antigens are defined. both mouse strains responded to low doses of crude timothy pollen extract (wst) or a major antigen of timothy pollen coupled to a purified fraction of ascaris suum (antigen b-ascaris). titers in laf mice were greater than those in c3h mice. regardless of the immunogen, antigen b was the major determinant recognized by the homocytotropic antibodies; pca titers with wst or antigen b for c ...197550362
specificity and sensitivity of skin test reactions to extracts of toxocara canis and ascaris suum ii. homologous 48-hour passive cutaneous anaphylaxis tests with sera from infected guinea pigs.the specificity and sensitivity of adult and larval somatic antigens and perienteric fluid of toxocara canis and ascaris suum were investigated by using a modified passive cutaneous anaphylaxis procedure in guinea pigs. pooled sera from animals infected with low doses (0.01, 0.1, or 1.0 egg/g) were most reactive with the homologous larval antigen preparation. however, the toxocara antisera were highly reactive with this antigen only, whereas the ascaris antisera reactions could not be interprete ...197550748
[simple method for obtaining toxocara canis antigen for the indirect immunofluorescence technic].a simple method for the preparation of toxocara canis antigen for the indirect immunofluorescent test is described: embryonated toxocara eggs are treated for 12 hours at room temperature with a 1:1 mixture of 2% naho and sodium hypochlorite (naclo) solution with a concentration of 2% free chlorine in order to remove the outer layers of the egg shells. the larvae which are still enclosed in the lipid membrane are freed by mild ultrasonic treatment. thereafter, the suspension of larvae is washed a ...1975239550
intestine of ascaris: oxygen consumption, fermentation acids, and anaerobic synthesis of protein.the oxygen uptakes by pieces of gut from the porcine roundworm, ascaris suum, under po2 10 to 710 torr were from 0.6 to 3.0 mul/mg dry wt/hr (qo2). increasing concentrations of tissue, 30 to 90 mg (dry wt/3 ml) decreased qo2 in air from 1.9 to 1.1 and only technical grade catalase was found to relieve this inhibition. conversely aerobic fermentation, judged by acid production, was directly proportional to the amount of tissue present: the acids from this fermentation were 2-methyl-butyric (1% of ...1975241780
mechanical properties of the lungs and experimental asthma in conscious allergic dogs.three allergic dogs were trained to swallow an esophageal balloon, breathe through a tracheostomy tube, and stand quietly in a wooden stall. the mechanical properties of their lungs were measured reproducibly over many months. average values were: pulmonary resistance 1.33 cmh2o/l per s, static lung compliance 104 ml/cmh2o, and functional residual capacity 982 ml. in two dogs inhalation of histamine aerosol caused a 374% increase in resistance; inhalation of ascaris suum aerosol caused a 307% in ...19751110249
[histidine metabolism in ascaris suum, ascaridia galli and fasciola hepatica]. 19751114016
proliferation and growth of intestinal epithelium in ascaris suum (nematoda) during postnatal ontogeny. communication iii. mitotic anomalies and changes in ploidy and nucleus size.it was established by cytophotometry that the amount of dna in intestinal-epithelium cells rises from the diploid to a tetraploid level during the early postnatal ontogeny of ascarids so that eventually nuclei with a diploid quantity of dna practically disappear. apart from this, there appear cells with a higher dna content: 8c, 16c, 32c, and even 64c. pictures of anomalous mitotic processes, as well as polypoid meta- and anaphases, were also observed. a result of the polyploidization is an incr ...19751114351
experimentally induced cerebrospinal nematodiasis in rabbits (oryctolagus cuniculus).to determine if the rabbit can act as an intermediate host for ascarids from certain carnivorous animals (skunks, pigs, dogs), 12 rabbits were infected with ascaris columnaris, ascaris suum, or toxocara canis. clinical signs, microscopic lesions, and morphologic features of ascarids with naturally occurring and experimentally induced a columnaris infections were identical. of the 3 induced parasitic infections, a columnaris caused the most severe lesions in the central nervous system (cns). it a ...19751115433
demonstration of cobamide coenzyme in ascaris suum. 19751116348
ultrastructural changes in ascaris suum intestine after mebendazole treatment in vivo.the effect of in vivo treatment with mebendazole on the ultrastructural morphology of ascaris suum intestine was investigated. pigs, infected with a. suum, were fed ad libitum a medicated food containing mebendazole at a concentration of 30 ppm. control and treated animals were killed 6, 9, 15, and 24 hr after the onset of feeding. the parasites were quickly collected from the pig intestinal tract and prepared for ultrastructural and cytochemical examination. absence of secretory granules in the ...19751117352
differential responses of duroc, hampshire, and crossbred pigs to a superimposed experimental infection with the intestinal threadworm, strongyloides ransomi.in both spring and fall, 12 duroc, 12 hampshire, and 12 duroc times hampshire f1 weanling pigs all reared under the same management were fed in pens of 3 to slaughter weights. three duroc and 4 hampshire boars, essentially unrelated within breed, were used in sampling the breeds. swine herd management allowed pig infection with strongyloides ransomi and ascaris suum, but neither clinical nor subclinical parasitism was evident in the herd. pigs were percutaneously exposed by pens within breed and ...19751138042
the development of ascaris suum in calves.to determine the development of ascaris suum after a primary and a secondary infection, 18 calves were inoculated with 2,000,000 infective eggs and examined from 18 hours to 13 days postinfection. at 18 hours larvae were recovered from the wall of the abomasum, duodenum and jejunum. they were found in small intestine lymph nodes on the third day, in the liver at five days and were most abundant in the lungs on days 7 and 9. the pattern of recovery of larvae from the lung between days 5 and 13 po ...19751139416
ascaris suum actin: properties and similarities to rabbit actin. 19751147981
specificity and sensitivity of skin test reactions to extracts of toxocara canis and ascaris suum. i. skin tests done on infected guinea pigs.the specificity and sensitivity of adult and larval somatic antigens, and perienteric fluid of toxocara canis and ascaris suum were investigated by using intradermal skin tests in guinea pigs. these animals were infected with low doses (0.01, 0.1 or 1.0 egg/g) of these helminths. toxocara larval antigen (tl) induced larger reactions in toxocara-infected animals than did the other antigens, suggesting a superior sensitivity for this antigen. in addition, ascaris perienteric fluid (ap) provoked sk ...19751155689
visceral larva migrans: immunoglobulins, precipitating antibodies and detection of igg and igm antibodies against ascaris antigen.serum samples from ten children with visceral larva migrans were evaluated by analysis of: immunoglobulin concentrations, precipitin reactions against toxocara and ascaris antigens and blood group substances, and igm and igg activity against ascaris antigen by radioimmunoassay (ria). the elevated concentrations of serum ige and igg and the positive precipitin reactions which occurred in some cases are an aid in diagnosis but were not consistently present. serum igm concentrations were elevated i ...19751155690
cuticular reactivity of early larval stages of ascaris suum: binding of fractions of immune serum to the surface of infective and parasitic stage larvae as detected by the mixed antiglobulin test. 19751158552
evaluation of visceral larva migrans by radioimmunoassay systems.a 9-year-old child with miliary pulmonary infiltrates, eosinophilia, and hyperimmunoglobulinemia e recovered rapidly cover a four-week period. subsequent analysis of serum samples by a solid phase radioimmunoassay technique demonstrated igm, ige, and igg antibodies to ascaris suum antigen which declined following the acute phase of the illness in parallel with a decline in serum igm, ige, and igg concentrations. precipitating antibodies in serum against ascaris antigen were demonstrated. the dia ...19751161399
ultrastructure of developing ascaris larvae undergoing lipid to carbohydrate interconversion.triglyceride utilization is correlated with glycogen resynthesis in developing ascaris suum larvae. glycogen content, determined by amyloglucosidase hydrolysis at 2-day intervals, decreases sharply during embryonation from 15% (per mg dry weight) at day 4 to 2% at day 12. thereafter glycogen increases 3-fold through day 20, marking the resynthesis period. triglyceride lipid droplets are confirmed primarily to the posterior half of the larvae and mark the site of the interconversion. although the ...19751165542
influence of the anthelmintic mebendazole on microtubules and intracellular organelle movement in nematode intestinal cells.the ultrastructural changes in the intestines of ascaris suum and syngamus trachea, induced by in vivo treatment of the hosts with the anthelmintic mebendazole, are reported. the primary site of drug action seemed to be the organelles involved in the secretory mechanism of the intestinal cells. the block in the transport of secretory granules and in the movement of other subcellular organelles coincided clearly with the disappearance of cytoplasmic microtubules. on the other hand, the microtubul ...19751171646
[sexual dimorphism in the genital primordium and in the tail in 3d stage larvas of ascaris suum]. 19751172404
[mechanism of oviposition in the nematodes, ascaris suum and ascaridia galli (a review of the literature)]. 19751177825
[comparative study of the activity and specificity of antigens of toxocara canis and ascaris suum in the indirect hemagglutination reaction]. 19751177834
a second ascaris suum with three uteri. 19751185429
carbohydrate cytochemistry of the intestinal epithelium of ascaris suum. nature of the microvilli glycocalyx and basal lamella.results of various cytochemical tests demonstrate large deposits of glycogen within the intestinal absorptive cells of ascaris suum. carbohydrate material is also associated with the microvilli surface and basal lamella. staining produced by the periodate-thiocarbohydrazide-osmium procedure was abolished by analine or m-aminophenol. diastase digestion did not alter the staining on the microvilli surface. similar results were seen using the silver methenamine procedure. a positive reaction was no ...19751189579
[the destruction of parasitic resistant stages in sludge by irradiation with low accelerating voltage electrons (author's transl)].the destroying effect of ionizing radiation on parasitic resistant stages in sludge has been tested. suitable for that process is an electron beam accelerator which will be provided with energy from the electric power supply network which can be switched on and off according to the requirements. such modern utilities have an enormous beam capacity and a high operating safety. the process is working according to the continuous flow principle and at room temperature. in a series of 13 experiments ...19751189798
[the phosphopyruvate-carboxylase system in the tissues of ascaris suum and fasciola hepatica]. 19751190553
delayed hypersensitivity responses of swine to ascaris suum infection. 19751195073
morphology and behaviour of sex chromosomes during meiosis in ascaris suum.the morphology and behaviour of sex chromosomes was studied in a. suum during meiosis. it was found that the five sex chromosomes have their proper characteristic. the largest is submetacentric, of 2 microns mean length. the second largest is acrocentric, mean length of 1.4 mu. the third largest is metacentric, 1.2 mu mean length. the fourth and the fifth are metacentric, of mean length of 1 mu. in primary and secondary spermatocyte cells the sex chromosomes are close to each other, most often i ...19751199409
tracheal mucous transport in experimental canine asthma.tracheal mucous velocity (tmv) was measured in experimental canine asthma. all 10 sensitive dogs exposed to an aerosol of ascaris suum extract showed a decrease in tmv to about one-third of base-line values within 45 min whereas only half of them (reactors) responded with bronchospasm as measured by a significant reduction in specific respiratory system conductance (sgrs). mean tmv remained decreased at the end of the 2-h observation period when mean sgrs had returned to base-line values in the ...19751213976
[experimental infection of chickens with the larva of toxocara canis and ascaris suum]. 19751216505
[tin-organic compounds and their biocidal properties].the authors studied the disinfecting action of the vapour of tributyltin oxide in the aerosol chamber and came to the conclusion that the tin-organic compounds possessed a wide buicidal action, still inadequately used in practice. the mentioned vapour served as a disinfectant only in the presence of water vapour. tribytyltin oxide (0.15% concentration) displayed an ovicidal action on the ova of ascaris suum. tributyltin laurate produced a good insecticidal effect on musca domestica.19751221712
[role of mollusks as benthos components in the purification of water bodies from the eggs of ascaris suum].fresh water mollusks galba palustris and bithynia tentaculata feed on ascaris eggs, destroy them (10 to 20%) and hinder their development as compared to control ones. thus, this mollusks participate in the purification of water bodies from ascaris eggs. eggs swallowed by mollusks of the genus radix develop normally. consequently radix serve for scattering eggs over the bottom of the water body.19751237854
[evaluation of antigens from various developmental stages of ascaris suum]. 19744135385
ultraviolet light absorption and fluorescence properties of an allergen extracted from ascaris suum. 19744139124
movement of cholesterol and beta-sitosterol across the intestine of ascaris suum. 19744156258
movement of triglycerides and monoglycerides across the intestine of ascaris suum. 19744156259
[experimental studies on anthelmintics. (23). biochemical and pharmacological effects of 1-[2-(dodecyloxy) ethyl] pyrrolidine hydrochloride (dpe) on ascaris suum]. 19744156925
effect of antiserum on maltase from intestinal microvillous membranes of ascaris suum. 19744205468
[comparative antigenic analysis of ascaris suum, ascaris lumbricoides, toxocara mystax and ascaridia galli by gel double diffusion and immunoelectrophoresis (author's transl)]. 19744218110
observations on the relationship between ascaris suum burdens in pigs and faecal egg counts. 19744533224
eosinophil response to migrating ascaris suum larvae in normal and congenitally thymus-less mice. 19744533228
immunology of ascaris suum infection. i. production of reaginic antibodies to worm components in rats. 19744362125
some properties of ascaris suum allergen a. 19744370597
ascaris suum pneumonia in cattle. 19744412090
characterization of an allergen isolated from ascaris suum. ii. the conformation of allergen a studied by circular dichroism and infra-red spectroscopy. 19744412397
proliferation and growth of intestinal epithelium in ascaris suum (nematoda) during postnatal ontogeny. i. mitotic activity in the intestinal epithelium. 19744428217
the secretory activity of ascaris suum intestine. 19744436769
isolation of somatic antigen from second stage larvae of ascaris suum. 19744448434
[ultrastructure of the nervous system of ascaris suum]. 19744449650
[content of vitamin a fractions in the tissues of ascaris suum]. 19744456277
proliferation and growth of intestinal epithelium in ascaris suum (nematoda) during postnatal ontogeny. ii. increase in the number and size of cells as a growth factor. 19744471355
[effect of fusarium genus fungi on the development of eggs of ascaris suum goeze]. 19744476130
[pathomorphological changes in the organs of guinea pigs repeatedly infected with eggs of ascaris suum goeze, 1782]. 19744477889
origin of intestinal disaccharidases of ascaris suum. 19744815012
repeated precise infection with adult ascaris suum by per fistulam implantation in miniature swine. 19744821118
[comparative study of the amino acid demand of ascaris suum and ascaridia galli]. 19744836615
comparative studies on the karyotype of ascaris suum and "ascaris ovis". 19744836673
development of ascaris suum larvae from the third to fourth stage, in vitro. 19744851347
experimental ascaris suum infection in piglets. inverse relationship between the numbers of inoculated eggs and the numbers of worms established in the intestine. 19734521966
initial steps in the de novo pyrimidine biosynthesis in ascaris suum. 19734357382
reinfection of yearling calves with ascaris suum.naturally occuring outbreaks of ascaris suum infection in calves have usually beeen found in animals nine to 12 months of age. the circumstances surrounding these outbreaks suggest that yearling calves are either particularly susceptible to a primary exposure to a. suum or react strongly to a. summ after sensitization early in life to this or some related ascarid. to determine the effect of reinfection with a. suum nine to 12 months after varying levels of exposure to this nematode, six calves w ...19734265549
subcellular distribution of digestive enzymes in ascaris suum intestine. 19734687435
ascaris suum: a scanning electron microscope study. 19734687487
transport of 3-0-methylglucose by various regions of the intestine of ascaris suum. 19734687503
neutral alkoxylipids of ascaris suum. 19734687504
ascaris suum: aldolase i purification and immunologic study. 19734691930
effect of mycoplasma hyopneumoniae infections, pyrantel treatment and protein nutrition on performance of pigs exposed to soil containing ascaris suum ova. 19734703718
resistance of pigs recovered from transmissible gastroenteritis against infection with ascaris suum. 19734707563
conversion of ascaroside esters to free ascarosides in fertilized eggs of ascaris suum (nematoda). 19734711661
ascaris lumbricoides linné, 1758 and ascaris suum goeze, 1782: morphological differences between specimens obtained from man and pig. 19734718127
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