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Influence of natural selection on the reproductive function in bulls
Біологія тваринThe article presents long-term research results on the impact of natural and sexual selection on the reproductive function in bulls under tethered and loose housing conditions.
V. S. Kozyr +2 more
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The effect of gender status on the growth performance, carcass and meat quality traits of young crossbred Holstein-Friesian×Limousin cattle [PDF]
Animal Bioscience, 2021 Objective The objective of this study was to compare growth performance, carcass traits and meat quality in young bulls, steers and heifers produced by crossing Limousin bulls with Holstein-Friesian cows, fattened semi-intensively and slaughtered at 18 ...
Paulina Pogorzelska-Przybyłek +3 more
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Introduction into the game states analysis system in basketball [PDF]
Fizička Kultura, 2011 In the present study the course of basketball game is observed as a separate and comprehensive system consisting of the succession of characteristic game situations being defined as states of the game. Precise identification and follow-up of various game
Perica Ante +2 more
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Bull-bull mounts in Holstein bulls: a survey of its incidence, possible causes, and consequences in Uruguayan bull’ breeders [PDF]
Animal Reproduction, 2021 Bulls frequently display male-male mounts, with consequences in the incidence of injuries, and possibly affecting the reproductive performance of the bulls. This behavior is known as the "buller syndrome" when appears in steers, with several individuals mounting one or a few penmates. The study aimed to collect information on the incidence of bull-bull
Stefanie Fajardo, Rodolfo Ungerfeld
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Hartmannellosis in a Bull [PDF]
Pathologia veterinaria, 1968 A case of Hartmannella sp. (Acanthamoeba) infection in a 1 1/2-year-old Holstein bull is reported. The disease was manifested by multifocal necrohemorrhagic nodules throughout the lung. Diagnosis was made on a morphologic basis by observing typical organisms within these nodules.
E E, McConnell, F M, Garner, J H, Kirk
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Journal of Nutritional Science, 2020 Rapid selection of a genetic variant that confers continuous life-long lactase production in Europeans (LCT-13910 C/T) has been attributed to the advantages of acquiring nutrients from consuming milk without the disadvantages of lactose malabsorption ...
Amir Moghaddam
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Microbiological tests of fresh bull semen collected at breeding establishment
Ветеринария сегодня, 2022 Bacterial and fungal contamination of the semen collected in production environment largely depends on the sanitary conditions of its collection as well as on the bacteria carrier state in breeding bulls.
M. A. Sushkova +2 more
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Exchange of protein and nitrogen compounds in the bulls when feeding cellulose-contained feed
Передгірне та гірське землеробство і тваринництво, 2021 Metabolic processes in the body of cattle, in particular in the digestive tract of bulls, when feeding young grass, feed and various forms of fiber-containing feed during the spring-summer transition period are poorly understood.
А. V. SHELEVACH, Y. F. RІVІS
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Practical use of bioenergetic evaluation of sire-bulls with different quality of semen production
BIO Web of Conferences, 2021 For modern cattle industry, it is very important to evaluate bull-sires of different breeds by semen quality. The relevance of this problem arises in the context of development of artificial insemination technologies and biotechnology, the increasing ...
Samusenko Ludmila +3 more
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Animals, 2023 Animal welfare is a complex subject; as such, it requires a multidimensional approach with the main aim of providing the animals with the “five freedoms”.
Aleksandar Cojkic, Jane M. Morrell
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