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Prevalence of trichomoniasis among California beef herds.
Sixty cow-half herds of more than 50 cows each were randomly selected for a prevalence survey of bovine trichomoniasis in California. Herd size, as judged by the number of bulls, ranged from 1 to 210Expand
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Mortality, morbidity, case-fatality, and culling rates for California dairy cattle as evaluated by the National Animal Health Monitoring system, 1986-87.
Abstract During 1986 and 1987, mortality, morbidity, case-fatality, and culling rates were estimated for endemic disease conditions in 43 randomly selected California dairy farms. Data were collectedExpand
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Health survey of backyard poultry and other avian species located within one mile of commercial California meat-turkey flocks.
A survey was conducted to characterize domestic and exotic bird populations, estimate seroprevalence to selected disease agents, and describe health management practices on 62 premises containingExpand
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Epizootiologic study of bluetongue: virologic and serologic results.
Heparinized blood and serum samples were obtained from 1,295 ruminants in herds or flocks with bluetongue virus (BTV) infection in 4 western states. Submissions were from herds or flocks withExpand
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Comparison of fecal samples collected per rectum and off the ground for estimation of environmental contamination attributable to beef cattle.
OBJECTIVES To determine whether sampling feces off the ground replicates prevalence estimates for specific pathogens obtained from fecal samples collected per rectum of adult cows, and to determineExpand
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Economics of disease occurrence and prevention on California dairy farms: a report and evaluation of data collected for the National Animal Health Monitoring system, 1986-87.
Sischo, W.M., Hird, D.W., Gardner, I.A., Utterback, W.W., Christiansen, K.H., Carpenter, T.E., Danaye-Elmi, C. and Heron, B.R., 1990. Economics of disease occurrence and prevention on CaliforniaExpand
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Survival of Exotic Newcastle Disease Virus in Commercial Poultry Environment Following Removal of Infected Chickens
Abstract During the first weeks of 2003, after exotic Newcastle disease (END) was confirmed in commercial layer flocks in Southern California, it became apparent that the virus survival informationExpand
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Mass screening of cattle sera against 14 infectious disease agents, using an ELISA system for monitoring health in livestock.
Mass screening ELISA methods were developed for testing cattle serum for antibodies against 14 common livestock diseases simultaneously. The absorbance values were transformed to a %ELISAExpand
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California National Animal Health Monitoring System for meat turkey flocks-1988-89 pilot study: management practices, flock health, and production.
A pilot project for a meat turkey National Animal Health Monitoring System was undertaken in California in 1988-89 to explore data gathering techniques and to estimate the frequency, magnitude, andExpand
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