A Survey on Calf Weaning Age in Hanwoo
نویسندگان
چکیده
منابع مشابه
Effect of calf weaning age and cow supplementation on cow productivity.
Five years of data were collected on 124 Brangus-type cows to evaluate weaning calves at 8.5 or 10.5 mo of age and winter supplementation of the brood cow with 2.25 kg of molasses daily. Cows with calves weaned at 10.5 mg of age gained 14 kg less weight (P less than .01) during the late nursing period than did cows from which calves were earlier weaned. Age of calf at weaning had no effect on c...
متن کاملA survey on detection of coronavirus in neonatal calf diarrhea in dairy farms of Iran
BACKGROUND: Bovine coronavirus (BCoV) is a primary cause of neonatal calf diarrhea worldwide, and is also associated with acute diarrhea in adult cattle during the winter season, resulting heavy economic losses to both dairy and beef industry throughout the world. OBJECTIVE: The Objective of the present study was to screen the fecal samples for BCoV collected from diarrhea from six geographic r...
متن کاملCalving system and weaning age effects on cow and preweaning calf performance in the Northern Great Plains1,2
A 3-yr study evaluated late winter (Feb), early spring (Apr), and late spring (Jun) calving systems in conjunction with varied weaning strategies on beef cow and calf performance from Northern Great Plains rangelands. Crossbred cows were randomly assigned to one of three calving systems (on average n= 168 calving system−1 yr−1) and one of two weaning times (Wean 1, 2) within each calving system...
متن کاملCalving system and weaning age effects on cow and preweaning calf performance in the Northern Great Plains.
A 3-yr study evaluated late winter (Feb), early spring (Apr), and late spring (Jun) calving systems in conjunction with varied weaning strategies on beef cow and calf performance from Northern Great Plains rangelands. Crossbred cows were randomly assigned to one of three calving systems (on average n= 168.calving system(-1).yr(-1)) and one of two weaning times (Wean 1, 2) within each calving sy...
متن کاملEffect of Weaning Age on Lamb's Performance
Twenty four Ossimi male lambs with an average live body weight 3.75± 0.25 kg and 7 days age were randomly assigned to two feeding groups. The first one was left to suckle their dam's until 12 weeks of age (natural rearing) and served as a control group, while the other was early weaned at 8 weeks old. Both the two groups were supported by a starter ration besides dam's milk until being weaned. ...
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ژورنال
عنوان ژورنال: Journal of Animal Science and Technology
سال: 2011
ISSN: 1598-9429
DOI: 10.5187/jast.2011.53.5.497