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Canadian journal of comparative medicine and veterinary science最新文献

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Pharmaceutical research. 医药研究。
Canadian journal of comparative medicine and veterinary science Pub Date : 1967-04-01
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引用次数: 0
Studies into equine electrocardiography and vectorcardiography: I. Cardiac electric forces and the dipole vector theory. 马的心电图和矢量图的研究:1 .心电力和偶极子矢量理论。
Canadian journal of comparative medicine and veterinary science Pub Date : 1967-04-01
J R Holmes, B J Alps
{"title":"Studies into equine electrocardiography and vectorcardiography: I. Cardiac electric forces and the dipole vector theory.","authors":"J R Holmes,&nbsp;B J Alps","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Theoretical consideration has been given in two horses to the properties of the electric field created by the equine heart acting as a simple electric generator. The principles of the vectorial theory have been applied to test the validity of application of the dipole concept. The cardiac electric forces, althrough complex in the immediate region of the heart, appear at the body surface in a similar form to those arising from a relatively immobile, single equivalent dipole. The potential value of the technique of vectorcardiography in cardiological investigations is briefly discussed.</p>","PeriodicalId":72497,"journal":{"name":"Canadian journal of comparative medicine and veterinary science","volume":" ","pages":"92-102"},"PeriodicalIF":0.0,"publicationDate":"1967-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1494657/pdf/vetsci00005-0012.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"26846063","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Myxovirus influenza A isolated from ducklings. 从雏鸭中分离的黏液病毒甲型流感。
Canadian journal of comparative medicine and veterinary science Pub Date : 1967-04-01
C A Mitchell, L F Guerin, J Robillard
{"title":"Myxovirus influenza A isolated from ducklings.","authors":"C A Mitchell,&nbsp;L F Guerin,&nbsp;J Robillard","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>A strain of haemagglutinating virus isolated by Walker and Bannister in 1953 and identified by them as \"Filterable Agent\" of ducks has been examined. The evidence suggests that although belonging to the Myxovirus Influenza Type A group, it possesses specific strain properties.</p>","PeriodicalId":72497,"journal":{"name":"Canadian journal of comparative medicine and veterinary science","volume":"31 4","pages":"103-5"},"PeriodicalIF":0.0,"publicationDate":"1967-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1494652/pdf/vetsci00005-0023.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"15398473","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Future of large animal veterinary practice. 大型动物兽医实践的未来。
Canadian journal of comparative medicine and veterinary science Pub Date : 1967-04-01
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引用次数: 0
Salmonella contamination of the product and environment of selected Canadian chicken processing plants. 沙门氏菌污染的产品和环境选定的加拿大鸡肉加工厂。
Canadian journal of comparative medicine and veterinary science Pub Date : 1967-04-01
S E Magwood, C Rigby, P H Fung
{"title":"Salmonella contamination of the product and environment of selected Canadian chicken processing plants.","authors":"S E Magwood,&nbsp;C Rigby,&nbsp;P H Fung","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Of 345 market chicken carcasses received directly from selected processing plants across Canada, six yielded salmonellae. One of the plants submitted 122 carcasses none of which yielded these organisms. A second plant had one Salmonella-contaminated carcass among 20 which were examined. Each of these two plants was subected to detailed bacteriological examinations on four occasions. In these detailed examinations a total of 175 samples or specimens for culture were taken from a variety of surfaces including vent areas of carcasses, operators' hands, equipment surfaces and from water in tanks of iced birds. Twenty-five (14 per cent) of the cultures yielded salmonellae and all but one of these were either S. oranienburg or S. infantis. Isolations were made during five of the eight series of examinations. The evidence indicated that Salmonella-infected flocks were frequently slaughtered and that Salmonella contamination could become widespread in the plant during processing. The organisms are apparently eliminated from all but a small percentage of the carcasses during processing but opportunities exist for recontamination during subsequent handling.</p>","PeriodicalId":72497,"journal":{"name":"Canadian journal of comparative medicine and veterinary science","volume":"31 4","pages":"88-91"},"PeriodicalIF":0.0,"publicationDate":"1967-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1494658/pdf/vetsci00005-0008.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"15335113","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Experimental crystal violet and methyl violet poisoning in dogs and cattle. 实验结晶紫和甲基紫中毒的狗和牛。
Canadian journal of comparative medicine and veterinary science Pub Date : 1967-03-01
R C Cutlip, W S Monlux
{"title":"Experimental crystal violet and methyl violet poisoning in dogs and cattle.","authors":"R C Cutlip,&nbsp;W S Monlux","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Crystal violet has been observed to cause fatal pulmonary alterations in dogs. To further evaluate this toxicity and the toxicity of methyl violet, 12 dogs and 2 calves were given 1 percent aqueous solutions of the dyes intravenously. Both dyes caused the formation of numerous dye protein emboli which lodged in the lungs producing thrombosis and infarction. A 1 per cent solution of the dyes caused precipitate formation when added to bovine serum or heparinized plasma IN VITRO. Serum proteins in general were decreased as determined by paper electrophoresis of serumcrystal violet supernatants. These dyes could be used effectively in studying the pathogenesis of certain pulmonary lesions, especially emphysema and alveolar epithelial hyperplasia.</p>","PeriodicalId":72497,"journal":{"name":"Canadian journal of comparative medicine and veterinary science","volume":"31 3","pages":"80-4"},"PeriodicalIF":0.0,"publicationDate":"1967-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1494643/pdf/vetsci00004-0026.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"26846060","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Canine reproduction: I. Reaction of animals to collection of semen and insemination procedures. 犬类生殖:1 .动物对采集精液和授精程序的反应。
Canadian journal of comparative medicine and veterinary science Pub Date : 1967-03-01
J W Macpherson, P Penner
{"title":"Canine reproduction: I. Reaction of animals to collection of semen and insemination procedures.","authors":"J W Macpherson,&nbsp;P Penner","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Two methods of semen collection were attempted on ten untrained dogs of several breeds. Manual manipulation as described proved most reliable for untrained dogs. Electro-ejaculation was attempted unsucessfully with twelve additional dogs.Two methods of insemination were compared. Equipment found most satisfactory is described and a modification suggested.</p>","PeriodicalId":72497,"journal":{"name":"Canadian journal of comparative medicine and veterinary science","volume":"31 3","pages":"62-4"},"PeriodicalIF":0.0,"publicationDate":"1967-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1494642/pdf/vetsci00004-0008.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"26846056","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Transmission of Helminth Diseases from the Dog and Cat to MaN - a Major Veterinary Responsibility. 寄生虫病从狗和猫传染给人-兽医的主要责任。
Canadian journal of comparative medicine and veterinary science Pub Date : 1967-03-01
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引用次数: 0
Studies with bovine parainfluenza - 3 virus in u.a.R. (Egypt). 美国(埃及)牛副流感- 3病毒的研究。
Canadian journal of comparative medicine and veterinary science Pub Date : 1967-03-01
K V Singh, I F Cicy
{"title":"Studies with bovine parainfluenza - 3 virus in u.a.R. (Egypt).","authors":"K V Singh,&nbsp;I F Cicy","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>A bovine strain of myxovirus parainfluenza-3 (MP3) virus, designated S virus, was isolated from lung tissue collected from cattle with respiratory illness in 1963. The virus agglutinates mammalian and avian erythrocytes, and is sensitive to ether, sodium desoxycholate and trypsin. It grows in primary calf kidney, buffalo kidney, dog kidney, camel kidney and MS cell cultures. The S virus forms well-defined plaques in buffalo and calf kidney cells on the 5th or 6th day after inoculation. Examination of cell cultures following inoculation with S virus revealed giant cell formation, and introcytoplasmic and intranuclear inclusions. At 37 degrees C the virus titer dropped from 10(10.4) to 10(2.6) in 3 days. Virus was completely inactivated at 56 degrees C within 15 minutes. Growth-curve studies in tissue culture monolayer cells revealed a latent period of 10 hours. The intracellular virus titer was slightly lower than that of extracellular virus. The isolate was identified as MP3 virus by serum neutralization and hemagglutination-inhibition tests. Antibodies (HI) to S virus were shown to be present in a significant proportion of Egyptian cattle. The epidemiological significance of MP3 (bovine strain) virus in U.A.R. is discussed.</p>","PeriodicalId":72497,"journal":{"name":"Canadian journal of comparative medicine and veterinary science","volume":"31 3","pages":"70-9"},"PeriodicalIF":0.0,"publicationDate":"1967-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1494650/pdf/vetsci00004-0016.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"26846058","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
An improved technique for counting leucocytes in milk by the direct microscopic method. 乳中白细胞计数直接显微法的改进技术。
Canadian journal of comparative medicine and veterinary science Pub Date : 1967-03-01
F H Newbould, L W Phipps
{"title":"An improved technique for counting leucocytes in milk by the direct microscopic method.","authors":"F H Newbould,&nbsp;L W Phipps","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>An improved microscopic method for counting leucocytes in milk has been developed, which results in acceptable levels of reproducibility. To overcome the lack of uniform cell distribution within a film a stratified sampling of the total film area is examined, which prevents the counting of any one area twice. The mean between-film coefficient of variation (S.D./x X 100) for all milk samples examined which contained more than 350,000 leucocytes/ml. was less than 10%.</p>","PeriodicalId":72497,"journal":{"name":"Canadian journal of comparative medicine and veterinary science","volume":"31 3","pages":"65-9"},"PeriodicalIF":0.0,"publicationDate":"1967-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1494644/pdf/vetsci00004-0011.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"26846057","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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