Arid
DOI10.1007/s11250-011-9858-5
Awassi sheep reproduction and milk production: review
Talafha, Abdelsalam Q.; Ababneh, Mohammed M.
通讯作者Talafha, Abdelsalam Q.
来源期刊TROPICAL ANIMAL HEALTH AND PRODUCTION
ISSN0049-4747
EISSN1573-7438
出版年2011
卷号43期号:7页码:1319-1326
英文摘要

Awassi is the local breed of sheep in Jordan and is the most important breed in the semi-arid regions of the near east countries. Awassi ram and ewe lambs reach puberty at around 8 and 9 months of age, respectively. The breeding season of Awassi ewes starts as early as April and lasts through September. After puberty, Awassi rams are sexually active throughout the year. The normal estrous cycle in Awassi ewes is 15-20 days (average 17 days). Estrus ranges from 16-59 h (average 29 h) during the breeding season. The reproductive performance of unimproved Awassi sheep has been low while improved Awassi has the highest fertility and milk production and are the heaviest among all Awassi populations. The gestation length varies from 149 to 155 days (average 152 days). Hormones that are commonly used for induction and synchronization of estrus in Awassi ewes include progestins, gonadotropins and PGF2 alpha. An Awassi ewe produces 40-60 and 70-80 kg of milk per 150-day lactation period under traditional and improved production systems, respectively, in addition to the suckled milk left for lambs until weaning. The improved Awassi has the highest milk production among all Awassi populations and may reach 506 L over 214-day lactation period. The objective of this review is to summarize the reproductive pattern and milk production of Awassi sheep in the Middle East region.


英文关键词Awassi Breeding season Estrous cycle Milk production Puberty Reproductive performance Sexual behavior
类型Review
语种英语
国家Jordan
收录类别SCI-E
WOS记录号WOS:000295586900008
WOS关键词NON-BREEDING SEASON ; SEXUAL PERFORMANCE ; ESTRUS SYNCHRONIZATION ; PREGNANCY DIAGNOSIS ; EWES ; RAMS ; FERTILITY ; PROGESTERONE ; PROGESTAGEN ; GOATS
WOS类目Agriculture, Dairy & Animal Science ; Veterinary Sciences
WOS研究方向Agriculture ; Veterinary Sciences
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/170747
作者单位Jordan Univ Sci & Technol, Dept Vet Clin Sci, Fac Vet Med, Irbid 22110, Jordan
推荐引用方式
GB/T 7714
Talafha, Abdelsalam Q.,Ababneh, Mohammed M.. Awassi sheep reproduction and milk production: review[J],2011,43(7):1319-1326.
APA Talafha, Abdelsalam Q.,&Ababneh, Mohammed M..(2011).Awassi sheep reproduction and milk production: review.TROPICAL ANIMAL HEALTH AND PRODUCTION,43(7),1319-1326.
MLA Talafha, Abdelsalam Q.,et al."Awassi sheep reproduction and milk production: review".TROPICAL ANIMAL HEALTH AND PRODUCTION 43.7(2011):1319-1326.
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