猪与禽营养

低温环境下饲粮核黄素添加水平对蛋鸭生长发育、免疫器官及抗氧化功能的影响

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  • 1. 东北农业大学动物营养研究所,哈尔滨 150030;
    2. 黑龙江省兽药饲料监察所,哈尔滨 150009
任延铭(1984-),男,黑龙江绥滨人,硕士,高级畜牧师,研究方向为动物营养与饲料科学。E-mail: renyanming2003@yahoo.com.cn

收稿日期: 2011-06-06

  网络出版日期: 2011-11-21

基金资助

国家自然基金委资助(30972111)

Effects of Riboflavin Supplementation on Growth, Immune Organ and Antioxidant Function of Laying Ducks at Low Ambient Temperatures

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  • 1. Institute of Animal Nutrition, Northeast Agricultural University, Harbin 150030, China;
    2. Heilongjiang Veterinary Medicine Feed Supervisory, Harbin 150009, China

Received date: 2011-06-06

  Online published: 2011-11-21

摘要

本试验旨在研究低温环境下饲粮核黄素添加水平对蛋鸭生长发育、免疫器官及抗氧化功能的影响。试验采用两因素有重复完全交叉设计,温度设2个水平 ;核黄素设3个水平,在基础饲粮中分别添加4、16、32 mg/kg核黄素。选用12周龄健康的金定鸭(母)144只,随机分成6个处理,每个处理6个重复,每个重复4只,试验期为42 d。结果表明:低温环境和核黄素互作对卵巢重量指数和输卵管长度指数均有显著影响(P<0.05),但对输卵管重量指数没有显著影响(P>0.05)。低温环境和核黄素互作对各免疫器官指数均有显著影响(P<0.05),但对血清中总抗氧化能力、谷胱甘肽还原酶活性和丙二醛浓度没有显著影响(P>0.05),对过氧化氢酶和总超氧化物歧化酶活性有显著影响(P<0.05)。由此可见,低温环境不利于蛋鸭的生长和发育,适当提高饲粮核黄素添加水平可以在一定程度上缓解机体对低温环境产生的应激反应。

本文引用格式

任延铭, 芦燕, 王安 . 低温环境下饲粮核黄素添加水平对蛋鸭生长发育、免疫器官及抗氧化功能的影响[J]. 动物营养学报, 2011 , 23(11) : 1912 -1918 . DOI: 10.3969/j.issn.1006-267x.2011.11.010

Abstract

The experiment was conducted to study the effects of riboflavin supplementation on growth and development, immune organ and anti-oxidative ability of laying ducks at low ambient temperature. Two factors (temperature×riboflavin) interactive experimental design was used in the experiment. The ambient temperatures were (2±1) ℃ and (18±1) ℃, and supplemental levels of riboflavin in a basal diet were 4, 16 and 32 mg/kg, respectively. A total of 144 laying ducks (Jinding duck, female, 12 weeks old) were randomly allotted to 6 treatments with 6 replicates per treatment and each replicate comprised 4 ducks. The experiment lasted for 42 days. The results showed that ovary weight index and oviduct length index were significantly affected by the interaction between ambient temperature and riboflavin (P<0.05), however, the interaction between ambient temperature and riboflavin has no effect on the oviduct weight index (P>0.05). Immune organ indices were significantly affected by the interaction between ambient temperature and riboflavin (P<0.05). There were no significant differences in serum total antioxidant capacity, the activities of glutathione reductase and malondialdehyde concentration (P>0.05). However, catalase and total superoxide dismutase activity were significantly affected by the interaction between ambient temperature and riboflavin (P<0.05). In conclusion, low ambient temperature is not conducive to growth and development of laying ducks, and appropriately increasing dietary riboflavin level in diets can release cold stress response to a certain extent.

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