Influence of blood serum selenium on udder health in dairy cows
نویسندگان
چکیده
منابع مشابه
The effect of stress on udder health of dairy cows.
The appropriate literature has been reviewed for the purpose of defining the phenomenon of stress in lactating dairy cattle, establishing a baseline concept of lactation stress and emphasizing the most significant aspects of the natural mammary defence mechanisms. Data on the general adaptation syndrome (GAS) make it clear that stress is essentially the rate of wear and tear of the biological s...
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Mastitis is still one of the three main diseases that affects the profitability of dairy farmers. Despite the implementation of the five-point mastitis control programme in the early 1970 s, the incidence in the UK has not reduced dramatically over the past 10 years. A review of the scientific literature indicates that there is a link between nutrition and mastitis in the dairy cow. The major i...
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Data from a prospective longitudinal study carried out from 1986 to 1990 in 47 commercial Holstein dairy herds from western France were used to quantify the effects of udder health disorders on the risk of culling. Logistic regression was used to assess the relationship between 4 udder health disorders and early and late culling. Teat injuries were associated with an increased risk of early cul...
متن کاملEpidemiological Study of Udder and Teat Diseases in Dairy Cows
An epidemiologic study was conducted on 581 dairy cows (indigenous and its crosses 371, exotic crosses 210) of 4 government establishments to find prevalence of udder and teat diseases and their association with udder and teat characteristic, milk yield and milk flow rate in dairy cows. Mastitis (25.5%) was most common disease followed by udder skin diseases (15.0%) and teat diseases (12.6%). P...
متن کاملDairy Cow Welfare & Udder Health
Introduction Maintaining consumers trust is essential to ensure the future of the dairy industry. Production of high quality milk from healthy, well cared for animals is the goal of most dairy farmers. However, as fewer and fewer consumers are familiar with dairy farming, they have become more skeptical about the ability of farmers to properly care for farm animals. Public attention about the w...
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ژورنال
عنوان ژورنال: Mljekarstvo
سال: 2014
ISSN: 0026-704X
DOI: 10.15567/mljekarstvo.2014.0305