Transition Period and Immunosuppression: Critical Period of Dairy Cattle Reproduction
نویسندگان
چکیده
منابع مشابه
Direct-fed microbial supplementation on the performance of dairy cattle during the transition period.
The influence of a direct-fed microbial (DFM) on the prepartum period and the effects on production performance during the postpartum period was investigated using 64 multiparous Holstein cows. Two close-up dry cow diets were fed to two groups of 32 cows each starting 21 d precalving as follows: 1) no DFM and 2) DFM. Post-calving cows were fed a lactation ration with or without DFM supplementat...
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15 صفحه اولNutrition and Reproductive Efficiency: Transition Period Management, Energy Status, and Amino Acid Supplementation Alter Reproduction in Lactating Dairy Cows
A number of reviews have highlighted the importance of nutrition in regulating bovine reproductive efficiency (Cardoso et al., 2013; Grummer et al., 2010; Santos et al., 2010; Wiltbank et al., 2006). The effects of nutrition in the embryo donor cow have been particularly emphasized (Santos et al., 2008; Sartori et al., 2010; Sartori et al., 2013; Velazquez, 2011; Wu et al., 2013). This review w...
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since the 1960s the age effects on learning both first and second language have been explored by many linguists and applied linguists (e.g lennerberg, 1967; schachter, 1996; long, 1990) and the existence of critical period for language acquisition was found to be a common ground of all these studies. in spite of some common findings, some issues about the impacts of age on acquiring a second or...
15 صفحه اولNutrition and Reproduction in Dairy Cattle
Nutrition has an important impact on the reproductive performance of dairy cattle. Energy is the major nutrient required by adult cattle, and inadequate energy intake has a detrimental impact on reproductive activity of the female bovine. Cows under negative energy balance have extended periods of anovulation. Postpartum anestrus, as well as infertility, is magnified by losses of body condition...
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ژورنال
عنوان ژورنال: International Journal of Animal and Veterinary Advances
سال: 2013
ISSN: 2041-2894,2041-2908
DOI: 10.19026/ijava.5.5576