The Effects of Vitamin A Administration to Heifer and Pregnant Cow on the Changes of Hormonal and Body Weight

• Main Authors: Sang-Rae Cho (Author), Ui-Hyung Kim (Author), Kuldeep Kumar (Author), Seung-Hwan Lee (Author), Myeung-Sik Lee (Author), Hyeon-Shup Kim (Author), Hyun-Jae Lee (Author), Byoung-Chul Yang (Author)
• Format: Book
• Published: The Korean Society of Animal Reproduction and Biotechnology, 2014-12-01T00:00:00Z.
• Subjects: article
• Online Access: Connect to this object online.

The objective of this study was to investigate the interrelationship of weight and hormonal changes through the administration of vitamin A to first time pregnant heifers. A total of 28 Korean heifers was used for this study. The heifers were divided into two groups - with vitamin A (n=14) and witho...