Parâmetros fisiológicos e desempenho para ovelhas Santa Inês e cordeiros ½ Dorper - Santa Inês nas estações verão e inverno

Queiroz, Edicarlos Oliveira; Macêdo, Francisco de Assis Fonseca de; Barbosa, Orlando Rus; Zancanela, Vittor; Mora, Natália Holtz Alves Pedroso; Baliscei, Marcio Antonio

doi:10.1590/s1519-99402015000100021

Cited by 6 publications

(2 citation statements)

References 12 publications

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“…In sheep, Eustáquio Filho et al (2011) observed that temperature of 25 °C and relative air humidity of 65% maximized production and productivity in Santa Inês breed, and animals kept at temperatures above the thermal comfort zone (TCZ) might have difficulty eliminating the excessive load, consequently increasing the rectal and skin temperature (ST) and the respiratory and cardiac rate (Queiroz et al, 2015;Titto et al, 2016;Furtado et al, 2017;Seixas, Melo, Tanure, Peripoli, & McManus, 2017). Thermal stress causes several changes in animal physiology, including a reduction in feed efficiency and intake and disturbances in water, protein, energy, and mineral balance, limiting animal production and reproduction (Marai, El-Darawany, Fadiel, & Abdel-Hafez, 2007).…”

Section: Introductionmentioning

confidence: 99%

Adaptability of sheep to three salinity levels in different environments

Furtado

Carvalho

Neto

et al. 2020

SCA

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The objective of this study is to evaluate physiological parameters and the adaptability of Santa Inês sheep to two climatic conditions 25ºC (within the thermal comfort zone [TCZ) and 32ºC (above the TCZ) and three salinity levels (2.0, 4.0, and 8.0 dS m -1 ). The study was developed in a climatic chamber using 36 uncastrated male sheep. The experimental design was completely randomized with a 2 ´ 3 factorial scheme composed of two temperatures, three water salinity levels, and six repetitions. The physiological variables were not affected by the salinity levels. The rectal and skin temperature and the heart and respiratory rate were higher at 32 °C. However, the rectal temperature was within the normal range for the species. The consumption of water with different salt concentrations did not affect the adaptive responses of the animals and could be an alternative water source for sheep in regions where water has a high salinity level. The respiratory rate of sheep exposed to 32 °C increased to eliminate body heat, and exposure to 25 °C provided greater thermal comfort for the animals.

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Section: Introductionmentioning

confidence: 99%

Adaptability of sheep to three salinity levels in different environments

Furtado

Carvalho

Neto

et al. 2020

SCA

View full text Add to dashboard Cite

show abstract

“…In sheep , Eustáquio Filho et al (2011) observed that temperature of 25 °C and relative air humidity of 65% maximized production and productivity in Santa Inês breed, and animals kept at temperatures above the thermal comfort zone (TCZ) might have difficulty eliminating the excessive load, consequently increasing the rectal and skin temperature (ST) and the respiratory and cardiac rate (Queiroz et al, 2015;Titto et al, 2016;Furtado et al, 2017;Seixas, Melo, Tanure, Peripoli, & McManus, 2017). Thermal stress causes several changes in animal physiology, including a reduction in feed efficiency and intake and disturbances in water, protein, energy, and mineral balance, limiting animal production and reproduction (Marai, El-Darawany, Fadiel, & Abdel-Hafez, 2007).…”

Section: Introductionmentioning

confidence: 99%

Adaptability of sheep to three salinity levels in different environments

Furtado

Carvalho

Neto

et al. 2020

Semina: Ciênc. Agrár.

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The objective of this study is to evaluate physiological parameters and the adaptability of Santa Inês sheep to two climatic conditions 25ºC (within the thermal comfort zone [TCZ) and 32ºC (above the TCZ) and three salinity levels (2.0, 4.0, and 8.0 dS m-1). The study was developed in a climatic chamber using 36 uncastrated male sheep. The experimental design was completely randomized with a 2 ´ 3 factorial scheme composed of two temperatures, three water salinity levels, and six repetitions. The physiological variables were not affected by the salinity levels. The rectal and skin temperature and the heart and respiratory rate were higher at 32 °C. However, the rectal temperature was within the normal range for the species. The consumption of water with different salt concentrations did not affect the adaptive responses of the animals and could be an alternative water source for sheep in regions where water has a high salinity level. The respiratory rate of sheep exposed to 32 °C increased to eliminate body heat, and exposure to 25 °C provided greater thermal comfort for the animals.

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Ingestive behavior and physiological parameters of goats fed diets containing peanut cake from biodiesel

Silva

Oliveira

Júnior

et al. 2015

Trop Anim Health Prod

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The experiment was conducted to evaluate the ingestive behavior and physiological parameters of confined goats fed peanut cake instead of soybean meal in their feed. We used 40 goats that were ¾ Boer, uncastrated, and 5 months of age on average, with an average initial weight of 15.6 ± 2.7 kg. The treatments consisted of diets with different levels of peanut cake replacing soybean meal in the concentrate (0.0, 33.33, 66.67, and 100%). The experimental design was completely randomized, with four treatments and ten repetitions. For the evaluation of feeding behavior, single animals were observed every 5 min for 24 h on 3 days. The physiological responses (respiratory rate; heart rate; rectal temperature, obtained with a rectal thermometer; and surface temperature) of the animals were evaluated at 09:00 and 15:00 h. The replacement of soybean meal with peanut cake did not change (P > 0.05) feeding behavior. The physiological parameters of the animals (P < 0.05) were altered; however, the changes appeared to be unrelated to the diet and to be due to the weather conditions. Peanut cake can replace soybean meal at 100% without causing negative effects on the feeding behavior or physiological parameters of confined ¾ Boer goats.

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Parâmetros fisiológicos e desempenho para ovelhas Santa Inês e cordeiros ½ Dorper - Santa Inês nas estações verão e inverno

Cited by 6 publications

References 12 publications

Adaptability of sheep to three salinity levels in different environments

Adaptability of sheep to three salinity levels in different environments

Adaptability of sheep to three salinity levels in different environments

Ingestive behavior and physiological parameters of goats fed diets containing peanut cake from biodiesel

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