Your browser doesn't support javascript.
loading
Physiological responses, water consumption, and feeding behaviour of lamb breeds fed diets containing different proportions of concentrate
Pereira, Anderson Lopes; Parente, Michelle de Oliveira Maia; Zanine, Anderson de Moura; Ferreira, Daniele de Jesus; Sousa, Maykon Nunes de; Nascimento, Thiago Vinicius Costa; Moreira Filho, Miguel Arcanjo; Machado, Nítalo André Farias; Lima, Anny Graycy Vasconcelos de Oliveira; Lima, Hyanne Costa; Parente, Henrique Nunes.
Afiliação
  • Pereira, Anderson Lopes; Federal University of Maranhão. Center of Environment and Agriculture Science. Chapadinha. BR
  • Parente, Michelle de Oliveira Maia; Federal University of Maranhão. Center of Environment and Agriculture Science. Chapadinha. BR
  • Zanine, Anderson de Moura; Federal University of Maranhão. Center of Environment and Agriculture Science. Chapadinha. BR
  • Ferreira, Daniele de Jesus; Federal University of Maranhão. Center of Environment and Agriculture Science. Chapadinha. BR
  • Sousa, Maykon Nunes de; Federal University of Maranhão. Center of Environment and Agriculture Science. Chapadinha. BR
  • Nascimento, Thiago Vinicius Costa; Federal University of Sergipe. Veterinary Medicine Nucleum of Sertão. Nossa Senhora da Glória. BR
  • Moreira Filho, Miguel Arcanjo; Federal University of Piauí. Department of Animal Science. Bom Jesus. BR
  • Machado, Nítalo André Farias; Federal University of Maranhão. Center of Environment and Agriculture Science. Chapadinha. BR
  • Lima, Anny Graycy Vasconcelos de Oliveira; Federal University of Maranhão. Center of Environment and Agriculture Science. Chapadinha. BR
  • Lima, Hyanne Costa; Federal University of Maranhão. Center of Environment and Agriculture Science. Chapadinha'. BR
  • Parente, Henrique Nunes; Federal University of Maranhão. Center of Environment and Agriculture Science. Chapadinha. BR
J. Anim. Behav. Biometeorol ; 10(1): 2106, jan. 2022. tab
Article em En | VETINDEX | ID: biblio-1438126
Biblioteca responsável: BR68.1
ABSTRACT
The use of adapted breeds, such as Santa Inês, is of paramount importance for regions with high temperatures because they develop efficient mechanisms for heat dissipation. Furthermore, some breeds have physiological adaptations, such as more efficient mechanisms for the digestion of fibrous foods (e.g. Rabo Largo), which can reduce the harmful effects of semiarid environments. We studied the ingestive behaviour, water consumption, and physiological parameters during feeding of two native sheep breeds fed diets containing high (700 g/kg DM; HC diet) or low (300 g/kg DM; LC diet) percentages of concentrates, based on dry matter (DM). A total of 40 uncastrated male lambs (20 Rabo Largo [breed 1] and 20 Santa Inês [breed 2], with an average body weight of 16.68 ± 2.78 kg, and 19.29 kg ± 3.28 kg, respectively), were distributed in a randomised block design in a two-by-two factorial scheme (breeds × diets) with 10 repetitions. Santa Inês lambs consumed and ruminated DM (P = 0.029 for both) and neutral detergent fibre (NDF; P = 0.001 and P = 0.004, respectively) more efficiently than RaboLargo lambs, while the latter showed an increase in respiratory rate (+19 breaths/min) and rectal temperature (+1.3 °C) compared to the Santa Inês lambs (P = 0.001). The HC diet negatively affected (P < 0.05) the feeding behaviour of the animals, reflecting the higher (P < 0.05) water consumption. The results showed that diets rich in concentrate negatively affected the thermoregulation of lambs. Santa Inês have greater feed and thermoregulatory efficiency than Rabo Largo lambs under conditions of heat stress in the feedlot.(AU)
Assuntos
Palavras-chave

Texto completo: 1 Base de dados: VETINDEX Idioma: En Revista: J. Anim. Behav. Biometeorol Ano de publicação: 2022 Tipo de documento: Article

Texto completo: 1 Base de dados: VETINDEX Idioma: En Revista: J. Anim. Behav. Biometeorol Ano de publicação: 2022 Tipo de documento: Article