Effect of progesterone supplementation of day 4 after timed artificial insemination on pregnancy rate of lactating dairy cows

Effect of progesterone supplementation of day 4 after timed artificial insemination on pregnancy rate of lactating dairy cows
G. Tortorelli*, A. J. Azrak, V. da Costa Andrade, R. dos Santos Ramos, A. S. Moraes,M. A. da Silva Menon, M. R. Bastos, and C. da Costa Carrer (Abstract 72)