2018
DOI: 10.17224/energagric.2018v33n2p133-137
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Parâmetros Fisiológicos E Hormônio Cortisol Como Indicadores De Estresse Térmico Em Caprinos Submetidos À Câmara Climática

Abstract: A exposição a temperaturas elevadas restringe a produtividade animal, tendo em vista as mudanças fisiológicas e hormonais que podem ser ocasionados pelo estresse térmico, contudo os estudos bioclimatológicos servem como ferramenta fundamental para avaliar os efeitos climáticos sobre o comportamento fisiológico dos animais, contribuindo desta forma com a seleção de animais mais adaptados às condições climáticas do semiárido. O objetivo desta pesquisa foi avaliar os efeitos das diferentes temperaturas (25,7; 29,… Show more

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Cited by 3 publications
(4 citation statements)
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“…Abdelsattar et al (2020) stated that the ability of animals to tolerate saline water depends on the level of salinity and minerals in the water. The no change in water intake of the animals under study confirms the adaptability of goats to hot weather, where they use physiological and behavioral mechanisms to adapt to this type of environment (Aiura et al, 2010;Miranda et al, 2018). This adaptation can be better perceived by making the ratio between average water and DM intake at the temperatures evaluated, which was 2.75kg of water per kg of DM, being within the pre-established rate by the NRC (Nutrient…, 2007), which should be 2.87 liters of water/kg DM.…”
Section: Discussionmentioning
confidence: 62%
See 1 more Smart Citation
“…Abdelsattar et al (2020) stated that the ability of animals to tolerate saline water depends on the level of salinity and minerals in the water. The no change in water intake of the animals under study confirms the adaptability of goats to hot weather, where they use physiological and behavioral mechanisms to adapt to this type of environment (Aiura et al, 2010;Miranda et al, 2018). This adaptation can be better perceived by making the ratio between average water and DM intake at the temperatures evaluated, which was 2.75kg of water per kg of DM, being within the pre-established rate by the NRC (Nutrient…, 2007), which should be 2.87 liters of water/kg DM.…”
Section: Discussionmentioning
confidence: 62%
“…factors and the genetics of creole animals will be preponderant in their productive and reproductive capacity (Miranda et al, 2018, Ribeiro et al, 2018Cardoso et al, 2021). In arid and semi-arid regions, animals are naturally subject to factors such as high temperatures, http://dx.doi.org/10.1590/1678-4162-12804 Arq.…”
mentioning
confidence: 99%
“…which shows the high absorption of radiant heat energy from the medium. The RH, on the other hand, remained high in all treatments, a fact that can be explained by the lack of air circulation inside the climatic chamber, which has wind speed values below 1 m s -1(Miranda et al, 2018).…”
mentioning
confidence: 89%
“…However, the greater the peripheral vasodilation, it may cause the animal to lose fluid through this process, which may promote hemoconcentration, not by increasing the number of red blood cells, but by decreasing the plasma volume, leading to an increase in some hematimetric values, so the higher the level of stress suffered by the animals, the higher the values described by the blood count, which can be explained by the loss of fluid evaporatively, high respiratory rate, and high sweating (Miranda et al, 2018;Mascarenhas et al, 2023).…”
Section: /7mentioning
confidence: 99%