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Cutaneous evaporation and physiological responses of Canindé goats in equatorial semi-arid environment

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Author(s): Juliana Jéssica Ferreira Coelho Silva | Jânio Lopes Torquato | Geovan Figueirêdo de Sá Filho | João Batista Freire de Souza Jr | Leonardo Lelis de Macedo Costa

Journal: Journal of Animal Behaviour and Biometeorology
ISSN 2318-1265

Volume: 1;
Issue: 1;
Start page: 13;
Date: 2013;
Original page

Keywords: solar radiation | air temperature | body surface | respiratory rate

ABSTRACT
This study aimed to evaluate the heat loss by cutaneous evaporation and physiological responses of goats Canindé in environment equatorial semiarid. We used 10 goats Canindé environmental conditions of Mossoró (5°11' S, 37°22' W, 18m above sea level), RN, Brazil. Samples were collected at intervals of one hour, starting at 07:00 and ending at 17:00. We evaluated the heat loss by cutaneous evaporation (Ec, W.m-2) and surface temperature (Ts, °C) under the effects of the environment (sun and shade) and for different body areas (neck, flank and thigh), and the interaction among these effects. It also assessed the effect of environment on respiratory rate (Fr, resp.min-1) and rectal temperature (Tr, °C). There was a significant effect of environment (P
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