Journal of Animal Behaviour and Biometeorology
https://jabbnet.com/article/doi/10.31893/jabb.22024
Journal of Animal Behaviour and Biometeorology
Research Article Open Access

Productive, physiological and behavioral sheep profiles housed on facilities with different roofs in the Amazon region

Jackson Rômulo de Sousa Leite, Dermeval Araújo Furtado, Neila Lidiany Ribeiro, José Pinheiro Lopes Neto, Tiago Gonçalves Pereira Araújo

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Abstract

The Brazilian Amazon region is characterized by high rainfall, with high temperatures and relative humidity, where sheep are raised in extensive and semi-intensive systems and some regions. This work aimed to evaluate the climatic indices of sheepfolds in the Amazon region, the productive performance, and physiological variables of Santa Inês sheep confined in sheepfolds with fiber cement (FC) and polyvinyl chloride (PC) tiles. Twenty castrated males of Santa Inês sheep were used, with a mean age of 1.5±0.2 years old and a live weight of 23±2.1 kg. The statistical design used was a completely randomized design with two roofs (FC and PC). The temperature, relative humidity of the air, temperature index of the black globe, and thermal radiation load was above the comfort zone for sheep, being higher (P < 0.05) in the sheepfold with PVC tile than FC, which contributed to the increase in respiratory rate, as a way to maintain the animals' homeotherm. Furthermore, sheep installed in the sheepfold with FC tile showed the highest weight gain, spent more time feeding, increased feeding efficiency, dry matter and fiber intake, reducing daily water intake.

Keywords

feeding efficiency, fiber cement, humid environment, respiratory rate

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Submitted date:
04/18/2022

Reviewed date:
05/24/2022

Accepted date:
05/28/2022

628cd42ca9539575003d2a03 jabbnet Articles
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