Browsing Dairy Day, 1985 by Subject "Prostaglandin F2-alpha"

Now showing items 1-2 of 2

Controlling calving intervals with prostaglandin F2αand fixed-time inseminations

Stevenson, Jeffrey S.; Lucy, M.C.; Call, Edward P. (Kansas Agricultural Experiment Station, 2012-10-04)

Prolonged or delayed interval to first breeding is a major cause of long calving intervals. Our objective was to test two methods of artificial insemination by appointment after controlling the onset of estrus for all ...
Early postpartum hormonal therapy improves fertility of dairy cows

Stevenson, Jeffrey S.; BenMrad, M. (Kansas Agricultural Experiment Station, 2012-10-04)

A study of 234 Holstein cows was conducted to determine if hormonal treatments of gonadotropin-releasing hormone (GnRH or Cystorelin®) and(or) prostaglandin F2a (PGF or Lutalyse®) given early after calving would ...