Milk Production, Progesterone, and Twinning in Dairy Cows

Dairy Herd Management summarized my breakout session talk at the Four-State Dairy Nutrition & Management Conference in Dubuque, Iowa on June 14, 2018. Many factors affect twinning in dairy cows, but milk production and progesterone at the beginning of timed AI protocols that include a second prostaglandin treatment are two primary factors.