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- Title
PROTECTIVE EFFECT OF γ-AMINOBUTYRIC ACID ON ANTIOXIDATION FUNCTION IN INTESTINAL MUCOSA OF WENCHANG CHICKEN INDUCED BY HEAT STRESS.
- Authors
Chen, Z.; Tang, J.; Sun, Y. Q.; Xie, J.
- Abstract
This study was conducted to explore the effects of heat stress (HS) and γ-aminobutyric acid (GABA) on antioxidation in intestinal mucosa of Wenchang chickens. One-day-old male chickens were randomly divided into GABA and control (CK) groups after 15 days feeding. The chicken from GABA group fed with 0.2 ml GABA solution and the chicken from CK group fed with 0.2 ml normal saline daily. At the age of 35 days, chickens in two groups were then divided into normal group (HSB), heat stress group (HSA) and heat stress recovery group (HSR), respectively. HSA and HS[sub R] were conducted in an environment of 40 ± 0.5 °C for 3 h. Results indicated that the activities of antioxidase and T-AOC in HS[sub A] group were lower than those in HS[sub B] and HS[sub R] groups; the content of MDA was higher than that in HS[sub B] and HS[sub R] groups. On the other hand, the activities of antioxidase and T-AOC in GABA group was higher than those in CK group and the content of MDA from GABA group was lower than that from CK group. In a word, heat stress caused a significant antioxidative damage to chicken small intestinal mucosa. In contrast, GABA can effectively alleviate the damage.
- Subjects
GABA; INTESTINAL mucosa; EFFECT of heat on poultry; CHICKENS; PHYSIOLOGICAL effects of heat; PHYSIOLOGY
- Publication
JAPS: Journal of Animal & Plant Sciences, 2013, Vol 23, Issue 6, p1634
- ISSN
1018-7081
- Publication type
Article