ENVIRONMENTAL EFFECT AND PEN DESIGN ON AGONIST BEHAVIOUR OF BEEF CATTLE IN FEEDLOT

Autor: Ana Citlaly Zazueta, Francisco Gerardo Ríos, Beatriz Isabel Castro, Alfredo Estrada, Jesús José Portillo
Jazyk: English<br />Spanish; Castilian
Rok vydání: 2021
Předmět:
Zdroj: Tropical and Subtropical Agroecosystems, Vol 25, Iss 1 (2021)
Druh dokumentu: article
ISSN: 1870-0462
DOI: 10.56369/tsaes.3723
Popis: Background. Environmental factors can affect the welfare of cattle in the feedlot and alter their behavior. Objective. The present study determine the effect of the feedlot environment on the agonist behavior of cattle during two seasons in a tropical region of Mexico. Methodology. A prospective observational study was conducted in pens identified as Type 1, Type 2 and Type 3. The agonist behaviour, environmental temperature, relative humidity and Temperature and Humidity Index (THI) were recorded at 8:00, 12:00 and 16:00 h. Results. In autumn, the variation in the threat rate (34 vs. 14; P
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