The influence of calfhood diarrhea and pneumonia on preweaning growth and reproductive performance of Holstein heifers

The influence of calfhood diarrhea and pneumonia on preweaning growth and reproductive performance of Holstein heifers

Aim of the study: To determine the effect of diarrhea and pneumonia on preweaning weight gain and subsequent reproductive performance of Holstein heifers in a hot environment. Study site: Hot-arid zone of northern Mexico (25 °N). Material and methods: This study enrolled 7,809 calves from a s...

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Bibliographic Details
Main Authors: Mely T. Olivera, Jesús Mellado, José E. García, Juan A. Encina, Perpetuo Álvarez, Ulises Macías-Cruz, Leonel Avendaño, Miguel Mellado
Format: Article
Language:English
Published: Consejo Superior de Investigaciones Científicas (CSIC) 2025-01-01
Series:Spanish Journal of Agricultural Research
Subjects:
age at first calving;
dairy calf
pregnancy rate
weaning weight
weight gain
Online Access:https://sjar.revistas.csic.es/index.php/sjar/article/view/21154
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