Cartmill, J. A.; Rozell, T. G.; El-Zarkouny, S. Z.; Smith, J. F.; Stevenson, J. S.
(Kansas Agricultural Experiment Station and Cooperative Extension Service, 1999)
Cows exposed to heat stress before or
after calving or both are prone to reduced
fertility because of reduced expression of
estrus and less embryonic survival if pregnant.
Cows calving on three dairy farms
during the ...