TERMORREGULAÇÃO EM RUMINANTES

Autores

  • Bonifácio Benicio de Souza UNIVERSIDADE FEDERAL DE CAMPINA GRANDE- UFCG
  • Joseane Nunes Batista UNIVERSIDADE FEDERAL DE CAMPINA GRANDE- UFCG
  • Louise Dias Borges UNIVERSIDADE FEDERAL DE CAMPINA GRANDE- UFCG
  • Lucas Almeida Lima UNIVERSIDADE FEDERAL DE CAMPINA GRANDE- UFCG
  • Elisângela Maria Nunes da Silva UNIVERSIDADE FEDERAL DE CAMPINA GRANDE- UFCG

DOI:

https://doi.org/10.30969/acsa.v11i2.674

Palavras-chave:

mecanismos termorregulatórios, semiárido, testes de adaptabilidade

Resumo

Esta revisão teve como objetivo descrever sobre o mecanismo fisiológico da termorregulação nos ruminantes e sobre os principais testes de avaliação da adaptabilidade utilizados para estes animais. No Brasil, mais precisamente na região Nordeste os animais sofrem estresse térmico em decorrência das elevadas temperaturas registradas durante todo ano. A região semiárida é caracterizada pela alta incidência de radiação solar e temperaturas elevadas, o que expõe os animais a condições estressantes, mesmo aqueles que são adaptados ao clima da região. O animal porta-se como um sistema termodinâmico que, continuamente, troca energia com o ambiente, assim elementos do clima agem sobre o organismo animal, mediante o fluxo de energia térmica que ele absorve ou emite. Variações ocorridas no ambiente térmico, principalmente na temperatura ambiente resultam na ativação de mecanismos termorregulatórios que afetam o metabolismo energético e influenciam o consumo de alimentos, a disponibilidade de nutrientes, a eficiência de utilização e os requerimentos de energia, alterando a taxa de crescimento e o desempenho produtivo. Portanto, para que se tenha a máxima eficiência produtiva e reprodutiva dos animais de produção, precisamos oferecer condições térmicas ambientais favoráveis a estes animais.

Biografia do Autor

  • Bonifácio Benicio de Souza, UNIVERSIDADE FEDERAL DE CAMPINA GRANDE- UFCG

    PROF. ASSOCIADO DA UNIVERSIDADE FEDERAL DE CAMPINA GRANDE- UFCG, UAMV, CAMPUS DE PATOS PB.

  • Joseane Nunes Batista, UNIVERSIDADE FEDERAL DE CAMPINA GRANDE- UFCG
    Mestranda do Programa de Pós- graduação em Ciência Animal/ Centro de Saúde e Tecnologia Rural – CSTR/ Universidade Federal de Campina Grande – UFCG
  • Louise Dias Borges, UNIVERSIDADE FEDERAL DE CAMPINA GRANDE- UFCG
    Mestranda do Programa de Pós- graduação em Ciência Animal/ Centro de Saúde e Tecnologia Rural – CSTR/ Universidade Federal de Campina Grande – UFCG
  • Lucas Almeida Lima, UNIVERSIDADE FEDERAL DE CAMPINA GRANDE- UFCG
    Mestrando do Programa de Pós- graduação em Ciência Animal/ Centro de Saúde e Tecnologia Rural – CSTR/ Universidade Federal de Campina Grande – UFCG
  • Elisângela Maria Nunes da Silva, UNIVERSIDADE FEDERAL DE CAMPINA GRANDE- UFCG
    Pós-Doutoranda do Programa de Pós-graduação em Medicina Veterinária/ Centro de Saúde e Tecnologia Rural – CSTR/ Universidade Federal de Campina Grande – UFCG

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