Association between two genetic lines of holstein cows and the pregnancy loss

The objectives of this study were to determine the association between North American Holstein (NAH) and New Zealand Holstein (NZH) genetic lines and pregnancy loss between 30-60 days after artificial insemination (AI), and to determine the influence of the calving number, services per pregnancy, ca...

• 1. autor: Gordillo Aldaz, Jennifer (author)
• Kolejni autorzy: Yánez-Ortiz, Iván Patricio (author), Arroyo Guarderas, María Gabriela (author), Díaz Bolaños, Ramiro Fernando (author)
• Format: article
• Język: spa
• Wydane: 2021
• Hasła przedmiotowe: Bovinos; fertilidad; lactación; número de parto; odds ratio; servicios por preñez; fertility; lactation; calving number; services per pregnancy; Cattle
• Dostęp online: https://revistasespam.espam.edu.ec/index.php/Revista_ESPAMCIENCIA/article/view/236