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논문 기본 정보

자료유형
학술저널
저자정보
Byeonghyeon Kim (Rural Development Administration) Minji Kim (Rural Development Administration) Hye Ran Kim (Rural Development Administration) Sang Yun Ji (Rural Development Administration) Ki Hyun Kim (Rural Development Administration) Ju Lan Chun (Rural Development Administration) Youl-Chang Baek (Rural Development Administration) Yookyung Lee (Rural Development Administration) Jin Young Jeong (Rural Development Administration) Sung Dae Lee (Rural Development Administration)
저널정보
충남대학교 농업과학연구소 Korean Journal of Agricultural Science Korean Journal of Agricultural Science Vol.47 No.3
발행연도
2020.9
수록면
597 - 604 (8page)

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Exposure to heat stress (HS) has negative effects on pig production and health. Plasma concentrations of amino acids (AAs) can be used as indicators of HS. Therefore, this study was conducted to evaluate the effect of acute HS on feed intake, water drink, and plasma AAs in pigs. A total of 6 growing pigs (n = 6, 3 boars and 3 gilts) were raised in thermal neutral (TN; 25℃) conditions for the 5-d adaptation period as a control. After the adaptation, pigs were exposed to HS at 33℃ (HS33) for 24 h. All the pigs were fed the same diet formulated to meet or exceed predicted requirements during the whole experimental period. Blood samples were collected after the adaptation and heat treatment to verify the AAs. Measurements were the average daily feed intake (ADFI), average daily water intake (ADWI), water loss, tumor necrosis factor (TNF)-α, nitrate, total nitric oxide, and AAs in the plasma samples. Data were analyzed using the PROC GLM of SAS. HS33 had a lower ADFI (p < 0.05) and a tendency for an increased ADWI and water loss compared to TN. The level of TNF-α was significantly decreased (p < 0.05) in HS33. HS33 had a lower concentration of histidine and sarcosine compared to TN; however, there were no differences in the levels of nitrates and total nitric oxide. In conclusion, the results of this study show the differential effect of HS on the plasma concentration of AAs. We expect that the changed AAs could be potential indicators of HS.
#histidine #indicators #sarcosine #water intake #water loss

목차

Abstract
Introduction
Materials and Methods
Results and Discussion
Conclusion
References

참고문헌 (27)

참고문헌 신청
Akbarian A / 2016 / Association between heat stress and oxidative stress in poultry; mitochondrial dysfunction and dietary interventions with phytochemicals / Journal of Animal Science and Biotechnology 7:37 google schola Armero E / 1999 / Effects of pig sire type and sex on carcass traits, meat quality and sensory quality of dry-cured ham / Journal of the Science of Food and Agriculture 79:1147~1154 google schola Baumgard LH / 2013 / Effects of heat stress on postabsorptive metabolism and energetics / Annual Review of Animal Biosciences 1:311~337 google schola Boldyrev AA / 2013 / Physiology and pathophysiology of carnosine / Physiological Reviews 93:1803~1845 google schola Cottrell JJ / 2015 / Nutritional strategies to alleviate heat stress in pigs / Animal Production Science 55:1391~1402 google schola

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