The High-producing Dairy Cow and its Reproductive Performance
نویسندگان
چکیده
منابع مشابه
Reproductive Challenges of High Producing Dairy Cows
Within a dairy herd, total milk production is determined by the proportion of cows producing milk at any given time and the level of milk production of the individual cows within the herd. Improving reproductive efficiency helps to maintain the maximal number of cows producing milk at optimal levels. Reproductive efficiency in dairy cattle currently is suboptimal primarily due to four factors: ...
متن کاملAssessment of Early Postpartum Reproductive Performance in Two High Producing Estonian Dairy Herds
Early postpartum (6 weeks) ovarian activity, hormonal profiles, uterine involution, uterine infections, serum electrolytes, glucose, milk acetoacetate and blood urea nitrogen (BUN) levels were studied in 2 Estonian high producing dairy herd with annual milk production of 7688 (Farm A) and 9425 (Farm B). From each farm 10 cows, with normal calving performance were used. Blood samples for the hor...
متن کاملOptimizing Dairy Cow Reproductive Performances besides the Use of Hormones
Despite the considerable expansion of our knowledge about the bovine reproductive cycle and the increasing possibilities to intervene herein, fertility in high yielding dairy herds has unremittingly been reported to decline since last decades. Since studies reporting about this fertility decrease originate from regions all over the globe, this situation seems to be widespread and universally ac...
متن کاملEffects of Gossypol from Whole Cottonseed on Lactatio N and Reproductive Performance of Dairy Cow S
Gossypol is a naturally occurring compound in the cotton plant (Gossypium spp .) . Because gossypol has been recognized since the turn of the century to be toxic to animals, a limiting factor o f whole cottonseed and cottonseed meal as feed sources is their gossypol content (1) . Whole cottonseed and cottonseed meal are popular by-products of the cottonseed industry . Whole cottonseed is a good...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Reproduction in Domestic Animals
سال: 2007
ISSN: 0936-6768,1439-0531
DOI: 10.1111/j.1439-0531.2007.00906.x