Calving Management: A Questionnaire Survey of Veterinary Subject Matter Experts and Non-Experts

por Anna Lisa Voß, Wolfgang Heuwieser, John F. Mee, Carola Fischer-Tenhagen
Publicado 2021

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

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