A szaporodásbiológiai gondozás gyakorlatának összehasonlító vizsgálata két nagyüzemi tejhasznú szarvasmarha állományban

Abstract

Two pactice of reproduction management and the reproductive performance parameters were studied in two large csale dairy farm between 2012 and 2014. The survey was carried out on the peripartal and service period, and how the management and health status during these period affects the calving interval in the farms.