Title :
Evaluation of systematic breeding programs in lactating dairy cows
Author :
Michael L. McGilliard استاد مشاور , Kevin D. Pelzer استاد مشاور , Raymond L. Nebel استاد راهنما
University :
Virginia Polytechnic Institute and state University
Major :
Master of Science )Dairy Science(
Keyword :
Estrus synchronization , gonadotropin-releasing hormone, prostaglandin F2a