Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 11 of 11 for “"herd health"”.
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Health Surveillance of Thinhorn Sheep (Ovis dalli) Herds in British Columbia and Alaska
The health of wildlife populations influences their sustainability in the face of ecological challenges. There is a paucity of information about the health status of free ranging thinhorn sheep populations (Ovis dalli), despite their economic, ecological, and cultural significance. Identification …
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Epidemiology of Mycoplasma bovis in farmed bison in western Canada
… interviewed in a 1:2 case-control study. Case herds were more likely than control herds to have a feedlot unit, receive regular visits from rental trailers or trailer from other farms, annually vaccinate bison, and to have lost bison due to fatal respiratory disease in the previous year. In …
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The use of activity measures in combination with physiological factors as indicators of disease in dairy cattle
… changes, and comparison of deviations from healthy herdmates, could allow producers to utilize activity monitoring to proactively manage dairy herd health.
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The use of animal activity data and milk components as indicators of clinical mastitis
… Tech and the University of Florida dairy herds were examined. Variables collected included daily milk yield, electrical conductivity, milk fat, protein, and lactose percent, as well as activity measurements including daily rest time, daily rest duration, daily rest bouts, and daily steps …
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Changes in Activity and Milk Components Around the Onset of Peripartum Diseases in Dairy Cows
… components could be used to proactively manage herd health.
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Power analysis for a mixed effects logistic regression model
In herd health studies, the mixed effects logistic regression model with random herd effects are commonly used for modeling clustered binary data. These models are well developed and widely used in the literature, among which is the logistic-normal regression model. In contrast to the rich …
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SPATIAL AND TEMPORAL TRENDS IN RANGE-USE BY THE BATHURST CARIBOU DURING A POPULATION DECLINE, 1997-2019
The Bathurst barren-ground caribou herd of Northwest Territories and Nunavut declined by 98% between 1986 and 2019; from an estimated population of 470,000 animals to just 8,200. Although caribou herds are known to fluctuate greatly between high and low populations, the recent population low has …
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Comprehensive Assessment of Physiological, Biochemical, and Reproductive Parameters of Crossbred Goats in Response to Bee Pollen Supplementation
… nutrition, which can negatively impact goat health and reproductive efficiency. Identifying and implementing nutritional strategies that could enhance goat productivity and herd health could help mitigate this issue, increase domestic production and reduce reliance on imports. Bee pollen (BP) …
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Surveillance and improved control of American foulbrood in Saskatchewan honey bees through the detection of Paenibacillus larvae spores in pooled, extracted honey
… to mitigate risk. Given their expertise in herd-health management and biosecurity, veterinarians should play an integral role in a beekeeper’s health management team in the prevention and control of AFB. Together, beekeepers who are at low risk of AFB through the testing of their pooled …