Global ETD Search
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Showing 1 to 5 of 5 for “"surgical castration"”.
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Surgical castration in piglets: its impacts on pain and affective states
Surgical castration of young male piglets is an extremely common husbandry procedure in the United States swine industry, with nearly 100% of males castrated. The procedure is performed primarily to prevent the occurrence of boar taint in the meat and to reduce aggression as the animals age. No …
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An Investigation of Hair Cortisol as a Biomarker of Long-Term Stress in Beef Cattle
… procedures that occur in modern production: i) castration, and ii) weaning in order to study HC concentration as an objective measure of long-term stress, and explore various factors that influence HC concentration such as sex, temperament, dam parity and calf age. For study 1, bull calves …
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Prevalence of antibodies to Bovine Leukemia virus, Neospora caninum and risk factors, and biosecurity practices in beef cow-calf herds in Canada.
… BLV transmission included the use of blade or surgical castration without disinfection between animals, using gouger and saw dehorning methods, multi-use of common rectal sleeve between cows without disinfection and the use of communal pasture where mating occurred. No associations existed …
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Dietary tomato carotenoids and β-carotene-15,15'- dioxygenase (Bco1) genotype alter androgen metabolism, lipid metabolism, and prostate cancer progression in mice
… have examined the effects of dietary tomato on castration-resistant prostate cancer (CRPC), which constitutes the late and lethal stage of human PCa. Therefore, we used a mouse model, the transgenic adenocarcinoma of the mouse prostate (TRAMP), to probe this gap in the literature. TRAMP mice …
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Effects of gonadotropin releasing factor immunological (Improvest®) on carcass characteristics, pork quality, and further processing characteristics of finishing male pigs
… issues are the one of the key reasons physical castration (surgical castration) has been so widely adopted in United State swine production systems. Improvest® (Pfizer Animal Health, Kalamazoo, MI) is a 9 amino-acid base pair GnRF conjugate that prevents boar taint in entire male pigs even when …