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Numerical and morphologic changes of ovarian follicles in each stage of estrus cycle in rats
1999
Lee, Y.J. (Gyeongsang National University Hospital Institute of Animal Medicine, Chinju (Korea Republic). Department of Histopathology) | Kwak, S.D. (Gyeongsang National University, Chinju (Korea Republic). College of Veterinary Medicine)
Diet and exercise as potential risk factors for osteochondritis dissecans in dogs
1992
Slater, M.R. | Scarlett, J.M. | Donoghue, S. | Kaderly, R.E. | Bonnett, B.N. | Cockshutt, J. | Erb, H.N.
A matched case-control study was conducted to evaluate dietary components and exercise patterns as potential risk factors for osteochondritis dissecans in dogs. A telephone interview, with a standard questionnaire and protocol, was used to collect data on dietary intake of calories and nutrients and on the usual amounts and types of exercise of each dog. Thirty-one dogs with osteochondritis dissecans and 60 controls were matched on the basis of breed, sex, and age. Using a conditional logistic regression model, high dietary calcium, playing with other dogs, and drinking well water (rather than city water) were associated with increased risk of osteochondritis dissecans. Feeding of specialty dry dog foods was associated with decreased risk.
Show more [+] Less [-]Risk factors associated with caprine arthritis-encephalitis virus infection in goats on California dairies
1991
Rowe, J.D. | East, N.E. | Thurmond, M.C. | Franti, C.E.
Log-linear methodology was used to examine relations among caprine arthritis-encephalitis virus (CAEV) seroreactivity and host/management factors in a cross-sectional study of 2,826 goats on 13 California dairies. The CAEV serologic status was associated with age and feeding method (pasteurized/unpasteurized milk), but not with breed. Data from a prevalence survey of 321 goats from 2 additional dairies demonstrated very good fit of the selected log-linear model (P = 1.00), indicating that the model was very appropriate to describe the relations. Odds of seropositivity and odds ratios were generated by use of a logit model derived from the log-linear model. Goats raised by the unpasteurized feeding method were estimated to have been 3.3 times more likely to be CAEV-seropositive than goats fed by the pasteurized method, when adjusted for the effects of age. Goats aged 2, 3, 4, and 5 or greater years were estimated to have been 1.7, 2.6, 4.5, and 5.7 times, respectively, more likely to be CAEV-seropositive than were yearling goats when ratios were adjusted for pasteurization status. Breed, gender, and herd of origin were not associated with CAEV seroreactivity when the effects of other factors were considered. Estimated odds of CAEV seroreactivity and the associated odds ratios for combinations of factor levels are reported. In this study, the magnitude and direction of the associations among CAEV serologic status, age, and pasteurized feeding methods were demonstrated.
Show more [+] Less [-]Case-control study of risk factors associated with nosocomial Salmonella krefeld infection in dogs
1988
Uhaa, I.J. | Hird, D.W. | Hirsh, D.C. | Jang, S.S.
In a case-control study of risk factors associated with an episode of nosocomial Salmonella krefeld infection in dogs at the veterinary medical teaching hospital, data on 20 case dogs and 75 control dogs were obtained by review of hospital records. Univariate and multivariate statistical analyses were carried out for possible risk factors for infection to obtain odds of Salmonella krefeld isolation, given exposure to each risk factor of interest. Compared with control dogs, case dogs were 11.9 times more likely to have been fed rice, 7 times more likely to have had radiography done, 10.2 times more likely to have been a resident in ward 2, 5.6 times more likely to have been given antimicrobial agents orally, 11.3 times more likely to have been given antimicrobial agents parenterally, and 37.9 times more likely to have been given antimicrobial agents orally and parenterally (P less than 0.05).
Show more [+] Less [-]Effect of age, season and sex on the blood properties in the Cheju horse
1990
Han, B.K. | Hyun, H.S. (Chonnam National University, Kwangju (Korea Republic). College of Veterinary Medicine) | Chang, D.G. (Cheju Junior College, Cheju (Korea Republic))
Serum chemistry values for Jindo dogs
1992
Lee, C.G | Choi, H.S. | Park, Y.J. | Lee, C.Y. (Chonnam Nat'l Univ., Kwangju (Korea Republic). Coll. of Veterinary Medicine)
Effects of gender on the pharmacokinetics and metabolite formation of sulfamethazine in the rabbit
1992
Yun, H.I. (Chungnam Nat'l Univ., Taejon (Korea Republic). Coll. of Veterinary Medicine) | Park, I.H. (Chungnam Nat'l Univ., Taejon (Korea Republic). Coll. of Natural Science)