Effect of adding a gonadotropin-releasing-hormone treatment at the beginning and a second prostaglandin F2α treatment at the end of an estradiol-based protocol for timed artificial insemination in lactating dairy cows during cool or hot seasons of the year

Autor: Pereira, M.H.C., Wiltbank, M.C., Barbosa, L.F.S.P., Costa, W.M., Jr., Carvalho, M.A.P., Vasconcelos, J.L.M.
Zdroj: In Journal of Dairy Science February 2015 98(2):947-959
Databáze: ScienceDirect