a field trial, of preshipment vaccination, with intranasal infectious bovine rhinotracheitis-parainfluenza-3 vaccines.a total of 849 calves, 278 controls, 335 vaccinated intranasally with ibr-pi3/ts and 236 vaccinated intranasally with ibr-pi3/ptc were studied in a field trial of preimmunization. all calves were vaccinated in saskatchewan at least three weeks prior to shipment to feedlots. four hundred and twenty six calves were not sold within eight weeks of vaccination; however, seven of these died within four weeks of vaccination. treatment rates varied from 1.0% to 5.2%. there was no significant effect of v ...19836315194
evidence of herpesvirus infection in woodland caribou in saskatchewan.sera were collected from 40 female and two male woodland caribou (rangifer tarandus caribou) in saskatchewan (canada) from march 1992 to january 1995, inclusive. the samples were examined for antibodies against smooth brucella spp., five serovars of leptospira interrogans, bovine viral diarrhea virus, and bovine herpesvirus 1 (bhv-1). twenty-two (52%) of 42 sera exhibited positive reactions to bhv-1 by a modified serum neutralization test, and the prevalence correlated positively with the age of ...200312685086
a serologic survey of pronghorns in alberta and saskatchewan, determine the exposure of free-ranging pronghorns (antilocapra americana ord) to selected pathogens, serum samples were obtained from 33 live-trapped animals from southwestern saskatchewan in 1970, and from 26 and 51 animals from southeastern alberta, in 1971 and 1972, respectively. antibodies were found to the agents of parainfluenza 3, bovine virus diarrhea, eastern and western encephalomyelitis, infectious bovine rhinotracheitis and the chlamydial group. no serologic reactors were found to ...1975167203
epidemiological study of enzootic pneumonia in dairy calves in saskatchewan.a field study involving 325 calves from 17 dairy herds in saskatchewan was conducted to determine the risk of enzootic pneumonia and to assess its association with a number of factors. two different case definitions of pneumonia were used in the analyses: the first was based on producers' treatment risk (case1) and the second was based on semimonthly clinical examinations of calves by the research veterinarian (case2). the risk of pneumonia based on case1 was 39% and on case2 was 29%. the measur ...19938269363
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