Timing of Artificial Insemination Using Sexed or Conventional Semen Based on Automated Activity Monitoring of Estrus in Holstein Heifers

por Tippenhauer, Christie Marie, Plenio, Jan-Lukas, Madureira, Augusto, Heuwieser, Wolfgang, Borchardt, Stefan
Publicado 2023

Plasma concentrations of progesterone in the preceding estrous cycle are associated with the intensity of estrus and fertility of Holstein cows

por Madureira, Augusto M. L., Burnett, Tracy A., Borchardt, Stefan, Heuwieser, Wolfgang, Baes, Christine F., Vasconcelos, Jose L. M., Cerri, Ronaldo L. A.
Publicado 2021