文章基本信息

标题：Influence of Age on Ingestive Behaviour, Suckling Disorders, Productive Traits, Milk Constituent and Serum Cortisol Level of Friesian Dairy Cows -
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作者：Shereen El. Abdel-Hamid ; Eman A. Manaa ; Asmaa B.M.B. Tahoun 等
期刊名称：Alexandria Journal of Veterinary Sciences
印刷版ISSN：1110-2047
电子版ISSN：1110-2047
出版年度：2017
卷号：55
期号：2
页码：60-67
DOI：10.5455/ajvs.282334
出版社：International Medical Journal Management and Indexing System
摘要：This study was carried out during the period from February 2016 to February 2017 on 100 Friesian dairy cows aged (3-7 years old) of different parities belonged to private dairy farm which locate at Hehia city at Sharkiya governorate. The aim of the present study was to investigate the effect of age of dairy cows on their ingestive behaviour, suckling disorders, productive performance, milk constituents and serum cortisol level of Friesian dairy cows. The results were revealed that, on ingestive behaviour, the age of 4th years old was the highest significant (P.
关键词：Friesian dairy cow; Age; Ingestive behavior; suckling disorders; productive traits; correlation; milk components.