지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록· 키워드
오류제보하기
A total of 144 one-day-old male broilers (ROSS × Ross 308) (42±0.1 g) were used in a completely randomized design and allotted to one of three dietary treatments to give 6 replicates per treatment (8 birds per cage). The three watery dietary treatments were 1) a corn-soybean meal-based relation [Negative control (NC); no antimicrobial compounds added] with tab water, 2) 8 ppm liquid-alpha-lipoic acid [Positive control (PC)] or 3) 100 ppm liquid-resveratrol. All dietary treatments were continuously provided as a liquid form. Birds were housed in a battery cage (n=48), and were offered liquid dietary treatments at all times. The ambient temperature was maintained at 32±1℃ for the first 3 weeks and decreased gradually to 28±1℃ by the end of the experiment (d 35) to induce moderate heat stress. One bird per pen (n=6) was euthanized via cervical dislocation at day 21 to obtain terminal ileum to measure villous height and crypt depth, while another bird per pen (n=6) was similarly euthanized at day 35 and used to harvest breast meat and drumsticks to evaluate meat quality traits. Birds fed liquid-resveratrol did not improve (P＞0.05) body weight and average daily gain compared with those fed other dietary treatments from day 1 to day 35. Birds fed liquid-resveratrol had no effect (P＞0.05) on villous height compared with birds were in other dietary treatments at day 21. Liquid-resveratrol had no effect (P＞0.05) on thiobarbituric acid reactive substance (TBARS) in drumsticks compared with other dietary treatments at day 35. Furthermore, birds fed liquid-resveratrol had no effect (P＞0.05) on DPPH radical scavenging activity both in breast meat and drumsticks compared with those fed other dietary treatments at day 35. Morphological changes of ileum were not observed by immunofluorescence, and the level of occludin protein from ileum extracts also did not differ among groups. Our results suggested that liquid form of antioxidant compounds used in the current study such as alpha-lipoic acid (8 ppm) or resveratrol (100 ppm) did not improve growth performance, meat quality traits and histology of terminal ileum compared with those fed negative control in broiler chickens under moderate heat stress for 35 days.
목차
ABSTRACT
서론
재료 및 방법
결과 및 고찰
REFERENCES
참고문헌 (34)
참고문헌 신청
Aengwanich W, Suttajit M 2010 Effect of polyphenols extracted from tamarind (Tamarindus indica L.) seed coat on physiological changes, heterophil/lymphocyte ratio, oxidative stress and body weight of broilers (Gallus domesticus) under chronic heat stress. Animal Science Journal 81(2): 264-270.
Bendall J, Swatland H 1988 A review of the relationships of ph with physical aspects of pork quality. Meat Science 24 (2):85-126.
Biewenga GP, Haenen GR, Bast A 1997 The pharmacology of the antioxidant lipoic acid. General Pharmacology. The Vascular System 29(3):315-331.
Blois, MS 1958 Antioxidant determinations by the use of a stable free radical. Nature 1199-1200.
Bonnet S, Geraert P, Lessire M, Carre B, Guillaumin S 1997 Effect of high ambient temperature on feed digestibility in broilers. Journal of Poultry Science 76(6):857-863.
Bendall J, Swatland H 1988 A review of the relationships of ph with physical aspects of pork quality. Meat Science 24 (2):85-126.
Biewenga GP, Haenen GR, Bast A 1997 The pharmacology of the antioxidant lipoic acid. General Pharmacology. The Vascular System 29(3):315-331.
Blois, MS 1958 Antioxidant determinations by the use of a stable free radical. Nature 1199-1200.
Bonnet S, Geraert P, Lessire M, Carre B, Guillaumin S 1997 Effect of high ambient temperature on feed digestibility in broilers. Journal of Poultry Science 76(6):857-863.
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UCI(KEPA) : I410-ECN-0101-2016-527-002775996