Data/hora: 09/06/2024 13:23:10

Provedor de dados: | 70
País: | Brazil
Título: | Environmental comfort in constructions for Sindi and Guzera calves in the agreste region of the State of Paraiba, Brazil
Autores: | Furtado,Dermeval A.; Peixoto,Adriana P.; Nascimento,José W. B. do; Regis,Jonh E. F.
Data: | 2012-02-01
Ano: | 2012
Palavras-chave: | Environment; Cattle; Adaptability; Physiological responses.
Resumo: | The objective of this study was to evaluate the quality of air, bioclimatic indexes of facilities and physiological indices of Guzera and Sindhi calves, reared in climatic conditions of Agreste. The study was conducted at the experimental station of Alagoinha, PB, Brazil, using 16 calves of Sindi and Guzerá races. The average concentration of oxygen (20.85%), ammonia (1.99 ppm), carbon monoxide (&lt;0.01 ppm), methane (0.13 ppm) and hydrogen sulfide (&lt;0.01) within facilities, were within the limits established by the Brazilian and international standards, for both animals and workers. The bioclimatic index of temperature and humidity and the temperature of the black globe and humidity index were within the thermal comfort zone for cattle in most of the experimental period, the mean values of respiratory frequency (26.0 min mov-1) and skin temperature (32.3 °C) were higher in the hottest time of the day (1 pm) and rectal temperature (39.3 ºC) in the late afternoon (5 pm), but remained within normal ranges for the studied races. The races have good adaptability to climatic conditions in the region of the Paraibano Agreste, Brazil.
Tipo: | Info:eu-repo/semantics/article
Idioma: | Inglês
Identificador: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-69162012000100001
Editor: | Associação Brasileira de Engenharia Agrícola
Relação: | 10.1590/S0100-69162012000100001
Formato: | text/html
Fonte: | Engenharia Agrícola  v.32 n.1 2012
Fonte: | info:eu-repo/semantics/openAccess