菊苣酸对围产期放牧牦牛生长性能、血清生化指标及抗氧化能力的影响
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摘要
试验旨在研究菊苣酸对放牧牦牛围产期生长性能、血清生化指标及抗氧化能力的影响。选择体况良好、体重接近(195～205kg)的围产期牦牛16头,随机分为2组,每组8头,对照组饲喂精料补充料+燕麦青干草,试验组饲喂精料补充料+燕麦青干草+0.15kg/d菊苣酸。试验期60d(从产前30d到产后30d),于产前第15天、产前第7天、分娩当天、产后第7天、产后第15天采集血液,进行相应指标的测定。结果显示:在产后第15天,试验组牦牛血清尿素氮(BUN)显著低于对照组(P<0.05);在分娩当天和产后第7天,试验组牦牛血清葡萄糖(GLU)含量、碱性磷酸酶(ALP)活性及总抗氧化能力(T-AOC)显著高于对照组(P<0.05),谷草转氨酶(AST)活性显著低于对照组(P<0.05);在分娩当天,试验组牦牛血清谷胱甘肽过氧化物酶(GSH-Px)、超氧化物岐化酶(SOD)活性显著高于对照组(P<0.05),血清丙二醛(MDA)含量显著低于对照组(P<0.05)。综合试验结果,添加菊苣酸能有效缓解围产期放牧牦牛氧化应激状态,提高其抗氧化能力。
The aim of this experiment was to study the effects of chicory acid on the growth performance,serum biochemical indices and antioxidant capacity of grazing yak in perinatal period.Sixteen perinatal grazing yak with good body condition and similar weight(195 to 205 kg)were chosen and randomly divided into two groups,each group had eight yak,the control group was fed with concentrate supplement and oat green hay,and the experimental group was fed with concentrate supplement,0.15 kg/d chicory acid and oat green hay.The trial period was 60 days(from 30 days before delivery to 30 days after delivery),and the blood samples were collected on the 15 th day before delivery,7 th day before delivery,day of childbirth,7 th day after delivery,and 15 th day after delivery,and the corresponding indicators were determined.The results showed that,com-pared with the control group,on the 15 th day after delivery,the contents of serum urea nitrogen(BUN)was significantly lower(P<0.05);On the day of childbirth and the 7 th day after delivery,the activities of aspartate transaminase(AST)was significantly lower(P<0.05),while the contents of serum glucose(GLU),the activity of serum alkaline phosphatase(ALP)and total antioxidant capacity(T-AOC)were significantly higher(P<0.05);And on the day of childbirth,the activities of serum glutathione peroxidase(GSH-Px),superoxide dismutase(SOD)were significantly higher,and malondialdehyde(MDA)content was significantly lower(P<0.05)in experimental group.The results of this study indicated that adding chicory acid to the perinatal gr azing yak supplement diet could effectively improve the blood biochemical indexes,alleviate the oxidative stress state and improve the antioxidant capacity of grazing yak during perinatal period.
The aim of this experiment was to study the effects of chicory acid on the growth performance,serum biochemical indices and antioxidant capacity of grazing yak in perinatal period.Sixteen perinatal grazing yak with good body condition and similar weight(195 to 205 kg)were chosen and randomly divided into two groups,each group had eight yak,the control group was fed with concentrate supplement and oat green hay,and the experimental group was fed with concentrate supplement,0.15 kg/d chicory acid and oat green hay.The trial period was 60 days(from 30 days before delivery to 30 days after delivery),and the blood samples were collected on the 15 th day before delivery,7 th day before delivery,day of childbirth,7 th day after delivery,and 15 th day after delivery,and the corresponding indicators were determined.The results showed that,com-pared with the control group,on the 15 th day after delivery,the contents of serum urea nitrogen(BUN)was significantly lower(P<0.05);On the day of childbirth and the 7 th day after delivery,the activities of aspartate transaminase(AST)was significantly lower(P<0.05),while the contents of serum glucose(GLU),the activity of serum alkaline phosphatase(ALP)and total antioxidant capacity(T-AOC)were significantly higher(P<0.05);And on the day of childbirth,the activities of serum glutathione peroxidase(GSH-Px),superoxide dismutase(SOD)were significantly higher,and malondialdehyde(MDA)content was significantly lower(P<0.05)in experimental group.The results of this study indicated that adding chicory acid to the perinatal gr azing yak supplement diet could effectively improve the blood biochemical indexes,alleviate the oxidative stress state and improve the antioxidant capacity of grazing yak during perinatal period.
引文
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[7]刘晓琳,郭世宁,石达友,等.复方紫锥菊对肉鸡部分血液生化指标的影响[J].中兽医医药杂志,2008,4(12):30-32.LIU X L,GUO S D,SHI D Y,et al.Effect of compound Echinacea on some blood biochemical indexes in broilers[J].Journal of Chinese Veterinary Medicine,2008,4(12):30-32.(in Chinese)
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[9]王树琴,郭世宁,胡烨丹,等.紫锥菊对肉鸡体液免疫及细胞免疫的影响[J].中国兽医杂志,2008,44(9):48-49.WANG S Q,GUO S N,HU Y D,et al.Effects of Echinacea on body liquid immunity and cellular immunity in broilers[J].Chinese Journal of Veterinary Medicine,2008,44(9):48-49.(in Chinese)
[10]WU H,LUO D,LI C,ZHANG H,et al.Chicoric acid improve heart and blood responses to hypobaric hypoxia in Tibetan yaks[J].American Journal of Chinese Medicine,2018,46(2):339-355.
[11]肖正中,邬苏晓.紫锥菊提取物对小鼠免疫功能的影响[J].江苏农业科学,2011,39(3):275-276.XIAO Z Z,WU S X.Effects of Echinacea extract on immune function in mice[J].Jiangsu Agricultural Science,2011,39(3):275-276.(in Chinese)
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[14]杨俊.精料补充料能量水平对早期断奶舍饲犊牦牛生产性能和营养物质表观消化率的影响[D].成都:四川农业大学,2013.YANG J.Effect of the energy level of concentrate supplement on the performance and apparent digestibility of nutrients in the calves of early weaning homes[D].Chengdu:Sichuan Agricultural University,2013.(in Chinese)
[15]王定发,周璐丽,周汉林,等.日粮添加α-硫辛酸对海南黑山羊育肥羔羊生长性能和血液生化指标的影响[J].中国畜牧杂志,2015,51(3):33-37.WANG D F,ZHOU L L,ZHOU H L,et al.Effect of dietaryα-lipoic acid on growth performance and blood biochemical index of fattening lamb in Hainan Black goat[J].Chinese Journal of Animal Husbandry,2015,51(3):33-37.(in Chinese)
[16]文月玲,申义君,周金伟,等.黄芪多糖对泌乳期奶牛血清生化指标的影响[J].中国畜牧兽医,2014,41(8):131-135.WEN Y L,SHEN Y J,ZHOU J W,et al.Effect of Astragalus membranaceus polysaccharide on serum biochemical indexes of lactating dairy cows[J].China Animal Husbandry&Veterinarian,2014,41(8):131-135.(in Chinese)
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