[1]王亚琼,刘强,姜发彬,等.胍基乙酸对樱桃谷肉鸭生产性能和抗氧化能力的影响[J].南京农业大学学报,2016,39(2):269-274.[doi:10.7685/jnau.201505024]
 WANG Yaqiong,LIU Qiang,JIANG Fabin,et al.Effects of guanidinoacetic acid on performance and antioxidant capacity in Cherry Valley ducks[J].Journal of Nanjing Agricultural University,2016,39(2):269-274.[doi:10.7685/jnau.201505024]
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胍基乙酸对樱桃谷肉鸭生产性能和抗氧化能力的影响()
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《南京农业大学学报》[ISSN:1000-2030/CN:32-1148/S]

卷:
39卷
期数:
2016年2期
页码:
269-274
栏目:
出版日期:
2016-03-18

文章信息/Info

Title:
Effects of guanidinoacetic acid on performance and antioxidant capacity in Cherry Valley ducks
作者:
王亚琼 刘强 姜发彬 袁庆启 颜瑞 庄苏
南京农业大学动物科技学院, 江苏 南京 210095
Author(s):
WANG Yaqiong LIU Qiang JIANG Fabin YUAN Qingqi YAN Rui ZHUANG Su
College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
关键词:
胍基乙酸肉鸭生长性能屠宰性能抗氧化能力
Keywords:
guanidinoacetic acid(GAA)ducksgrowth performanceslaughtering performanceantioxidant capacity
分类号:
S834
DOI:
10.7685/jnau.201505024
摘要:
[目的] 本文旨在研究胍基乙酸(GAA)对樱桃谷肉鸭生长性能、屠宰性能、抗氧化能力的影响。[方法] 选用720只健康且体质量相近的10日龄樱桃谷肉鸭,随机分为4组,每组6个重复,每个重复30只。分别饲喂添加质量分数为0%(对照组)、0.025%(试验组Ⅰ)、0.05%(试验组Ⅱ)、0.10%(试验组Ⅲ)GAA的试验日粮。试验结束时(42日龄),每重复随机抽取1只肉鸭进行屠宰,测定各项指标。[结果] 与对照组相比,试验组的平均日增体质量有增高趋势,料重比有降低趋势,但差异均不显著(P>0.05);试验组Ⅱ的半净膛率、全净膛率、腿肌率均显著高于对照组(P<0.05);试验组Ⅱ胸肌中的肌酸含量与试验组Ⅲ血浆中的肌酸含量均显著高于对照组(P<0.05)。血清中,试验组总抗氧化能力(T-AOC)、过氧化氢酶(CAT)和超氧化物歧化酶(SOD)活性均有增加的趋势(P>0.05);丙二醛(MDA)含量均有所降低,其中试验组Ⅱ显著低于对照组(P<0.05);谷胱甘肽过氧化物酶(GSH-Px)活性分别比对照组提高了9.96%、32.46%、12.34%,且试验组Ⅱ显著高于其他3组(P<0.05);试验组Ⅱ的还原型谷胱甘肽(GSH)含量显著高于对照组(P<0.05)。肝脏中,胍基乙酸具有增加T-AOC、CAT、SOD、GSH-Px活性与GSH含量的趋势,其中试验组Ⅱ的SOD活性和GSH含量显著高于其他3组(P<0.05),GSH-Px活性显著高于对照组(P<0.05)。[结论] 日粮中添加GAA对提高肉鸭的生长性能无显著影响,但在本试验条件下,添加0.05%的GAA可在一定程度上改善樱桃谷肉鸭的屠宰性能和抗氧化能力。
Abstract:
[Objectives] The aim of the study was to investigate the effects of guanidinoacetic acid(GAA)on growth performance,slaughtering performance,and antioxidant capacity in Cherry Valley ducks. [Methods] A total of 720 healthy 10 day-old Cherry Valley ducks with roughly equal weight were randomly assigned to 4 groups with 6 replicates of 30 ducks in each replicate(pen). Ducks were fed a basal diet supplemented with 0%(control),0.025%(experiment Ⅰ),0.05%(experiment Ⅱ)and 0.10%(experiment Ⅲ)GAA. At 42 day-old,1 duck per pen was randomly selected for measuring the relative indexes. [Results] GAA supplementation tended to increase average daily gain(ADG)and decrease feed gain ratio(F/G)respectively,but it was not significant(P>0.05). The percentage of half eviscerated yield,eviscerated yield,and leg muscle also tended to be increased,especially in the experiment Ⅱ(P<0.05),compared with the control. The creatine content of breast muscle in experiment Ⅱ and the plasma creatine content in experiment Ⅲ were higher(P<0.05)than those in control. In serum,total antioxidant capacity(T-AOC),catalase(CAT)and superoxide dismutase(SOD)activity in the three experiment groups were numerically increased(P>0.05)and malondioldehyde(MDA)content tended to decrease,especially in experiment Ⅱ(P<0.05),compared with the control. Compared with the control,glutathione peroxidase(GSH-Px)activity in the three experiment groups were increased respectively by 9.96%,32.46%,12.34%,and the experiment Ⅱ was significantly higher than other groups(P<0.05). Reduced glutathione tablets(GSH)content was markedly increased(P<0.05)in experiment Ⅱ compared with the control. In liver,the activity of T-AOC,CAT,SOD,GSH-Px and the content of GSH tended to be increased when GAA was supple-mented,especially the SOD activity and GSH content in the experiment Ⅱ,which were higher(P<0.05)than the other groups,and the GSH-Px activity was higher(P<0.05)than the control. [Conclusions] The results suggest that diets supplemented with GAA has no significant effect on growth performance of Cherry Valley ducks,but can improve slaughter performance and antioxidant capacity. Under this experiment conditions,the optimum addition content of GAA in diets was 0.05%.

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备注/Memo

备注/Memo:
收稿日期:2015-5-14。
作者简介:王亚琼,硕士研究生。
通信作者:庄苏,副教授,博士,从事动物营养与饲料学研究,E-mail:zhuangsu@njau.edu.cn。
更新日期/Last Update: 1900-01-01