摘要
本试验旨在研究苹果酸对青脚麻鸡生长性能、屠宰性能、肉品质、肌肉生化指标及抗氧化功能的影响。选取1日龄青脚麻鸡母鸡300羽,随机分为5个组,每组5个重复,每个重复12只鸡。对照组(A组)饲喂基础饲粮,试验组分别在基础饲粮中添加0.2%(B组)、0.4%(C组)、0.8%(D组)和1.6%(E组)苹果酸。试验期60 d。结果表明:1)与对照组相比,C、D、E组的终末体重(FBW)、平均日增重(ADG)和平均日采食量(ADFI)显著或极显著降低(P<0.05或P<0.01)。2)各组之间屠宰率、半净膛率、全净膛率、胸肌率及腿肌率均无显著差异(P>0.05)。3)各组之间胸肌肉色、pH_(45min)、滴水损失、蒸煮损失、系水力及嫩度均无显著差异(P>0.05)。4)各组胸肌硬度、弹性、胶着性、咀嚼性、内聚性和黏性均无显著差异(P>0.05)。5)与对照组相比,C组胸肌糖原含量极显著升高(P<0.01)。各组之间胸肌乳酸(LD)、低密度脂蛋白胆固醇(LDL-C)、高密度脂蛋白胆固醇(HDL-C)含量及乳酸脱氢酶(LDH)、酸性磷酸酶(ACP)、肌酸激酶(CK)活性均无显著差异(P>0.05)。6)与对照组相比,B、C、D组胸肌过氧化氢酶(CAT)活性显著升高(P<0.05),E组胸肌丙二醛(MDA)含量显著降低(P<0.05)。各组之间胸肌总抗氧化能力(T-AOC)及谷胱甘肽过氧化物酶(GSH-Px)、总超氧化物歧化酶(T-SOD)活性均无显著差异(P>0.05)。综上所述,饲粮中添加0.2%苹果酸能提高青脚麻鸡胸肌CAT活性,添加0.4%苹果酸能提高胸肌糖原含量和CAT活性,添加0.8%苹果酸能提高胸肌CAT活性,添加1.6%苹果酸能降低胸肌MDA含量。综合各项指标,推荐青脚麻鸡饲粮中苹果酸添加量为0.4%。
The purpose of the experiment was to investigate the effects of malic acid on growth performance,slaughter performance,meat quality,muscle biochemical indexes and antioxidant function of cyan-shank partridge chickens.A total of 300 one-day-old cyan-shank partridge chickens were selected and randomly divided into 5 groups with 5 replicates per group and 12 chickens per replicate.The control group(group A)was fed a basal diet,and the experimental groups were fed basal diets supplemented with 0.2%(group B),0.4%(group C),0.8%(group D)and 1.6%(group E)malic acid,respectively.The experiment lasted for 60 days.The results showed as follows:1)compared with the control group,the final body weight(FBW),average daily gain(ADG)and average daily feed intake(ADFI)of groups C,D and E were significantly decreased(P<0.05 or P<0.01).2)There were no significant differences in dressing percentage,semi-eviscerated percentage,eviscerated percentage,breast muscle percentage and leg muscle percentage among all groups(P>0.05).3)There were no significant differences in muscle color,pH_(45min),drip loss,cooking loss,water binding capacity and tenderness in breast muscle among all groups(P>0.05).4)There were no significant differences in hardness,springiness,gumminess,chewiness,cohesiveness and viscosity in breast muscle among all groups(P>0.05).5)Compared with the control group,the breast muscle glycogen content of group C was significantly increased(P<0.01).There were no significant differences in lactic acid(LD),low density lipoprotein cholesterol(LDL-C),high density lipoprotein cholesterol(HDL-C)contents and lactate dehydrogenase(LDH),acid phosphatase(ACP),creatine kinase(CK)activities in breast muscle among all groups(P>0.05).6)Compared with the control group,the breast muscle catalase(CAT)activity of groups B,C and D was significantly increased(P<0.05),and the breast muscle malondialdehyde(MDA)content was significantly decreased(P<0.05).There were no significant differences in total antioxidant capacity(T-AOC)and activities of glutathione peroxidase(GSH-Px)and total superoxide dismutase(T-SOD)in breast muscle among all groups(P>0.05).In conclusion,dietary supplemented with 0.2%malic acid can increase the breast muscle CAT activity of cyan-shank partridge chickens,supplemented with 0.4%malic acid can increase the breast muscle glycogen content and CAT activity,supplemented with 0.8%malic acid can increase the breast muscle CAT activity,and supplemented with 1.6%malic acid can decrease the breast muscle MDA content.Comprehensive all indexes,the dietary recommended malic acid addition of cyan-shank partridge chickens is 0.4%.
作者
李笑
谢苗苗
颜欣超
胡忠泽
王夺标
LI Xiao;XIE Miaomiao;YAN Xinchao;HU Zhongze;WANG Duobiao(College of Animal Science,Anhui Science and Technology University,Fengyang 233100,China;Anhui Province Key Laboratory of Animal Nutritional Regulation and Health,Fengyang 233100,China;Anhui Biaowang Agriculture and Animal Husbandry Company Limited,Huaibei 235000,China)
出处
《动物营养学报》
CAS
CSCD
北大核心
2022年第12期7747-7757,共11页
CHINESE JOURNAL OF ANIMAL NUTRITION
基金
安徽省重点研究与开发计划项目(202104a06020033)
安徽省教育厅重大项目(KJ2016SD15)。
关键词
青脚麻鸡
苹果酸
生长性能
屠宰性能
肉品质
肌肉生化指标
抗氧化功能
cyan-shank partridge chickens
malic acid
growth performance
slaughter performance
meat quality
muscle biochemical indexes
antioxidant function
作者简介
李笑(1997—),女,河北承德人,硕士研究生,从事动物营养与饲料研究。E-mail:1282320094@qq.com;通信作者:胡忠泽,教授,硕士生导师,E-mail:hzhongz@126.com。
