摘要
本文旨在研究饲粮粗纤维水平对妊娠母猪粪便指标、血清激素和生化指标的影响。选取已配种的大约克夏经产母猪30头作为试验动物,根据配种时间、胎次等基本相近原则,将母猪分为对照组、处理1和处理2(妊娠前期饲粮粗纤维水平分别为4.14%、5.27%和6.06%,妊娠后期饲粮粗纤维水平分别为2.62%、3.45%和5.22%),试验期平均为114 d。结果显示,1)妊娠前期处理1、处理2中母猪粪便的水分含量显著低于对照组(P<0.05或P<0.01),与对照组相比,处理2母猪妊娠前期和后期粪便的pH和乳酸杆菌数量显著升高(P<0.05或P<0.01),大肠杆菌数量显著降低(P<0.05);2)妊娠前期处理1有机物、酸性洗涤纤维、中性洗涤纤维消化率显著高于其他2组(P<0.05或P<0.01);3)对照组血清甘油三酯含量和胆固醇含量显著高于处理2(P<0.01或P<0.05),妊娠后期对照组血清总胆固醇含量显著高于其他2组(P<0.01或P<0.05);4)妊娠后期对照组血清总抗氧化能力、过氧化氢酶活性和泌乳素水平显著高于处理2(P<0.05或P<0.01)。结果表明,提高妊娠母猪饲粮粗纤维水平不能提高粪便水分含量和降低粪便pH,但可改善粪便菌群组成,降低血清甘油三酯和总胆固醇含量,对改善抗氧化能力和提高泌乳素水平没有帮助。
This experiment was conducted to study the effects of dietary fiber levels on fecal indices and serum hormones and other biochemical indices of gestating sows.Thirty Yorkshire multi-parity sows,with similar parity and breeding time,were randomly divided into control group,treatment 1 and treatment 2（the dietary fiber levels in early gestation were 4.14%,5.27% and 6.06%,respectively,and 2.62%,3.45% and 5.22% in late gestation,respectively）.The experiment lasted for 114 days.The results showed that： 1） fecal moisture content in treatment 1 and treatment 2 was significantly higher than that in the control group in early gestation（P0.05 or P0.01）,compared with control group,fecal pH and quantity of lactobacillus in treatment 2 were increased in early and late gestation（P0.05 or P0.01）,but quantity of Escherichia coli was decreased（P0.05）;2） the digestibility of organic matter,NDF and ADF were increased in treatment 1 compared with the control group and treatment 2 in early gestation（P0.05 or P0.01）;3） serum triglyceride and total cholesterol in the control group were significantly higher than those in treatment 2 in early gestation（P0.05 or P0.01）,and serum total cholesterol in the control group were significantly higher than that in the other groups in late gestation（P0.05 or P0.01）;4） serum anti-oxidation capacity,activity of catalase and prolactin levels in the control group were significantly higher than those in treatment 2（P0.05 or P0.01）.The results indicate that high dietary fiber levels don＇t have active effects on improving fecal moisture content or decreasing fecal pH and don＇t have active effects on improving anti-oxidation and prolactin levels,but have active effects on improving fecal bacterial composition,and decreasing serum triglyceride and total cholesterol.
出处
《动物营养学报》
CAS
CSCD
北大核心
2010年第6期1529-1535,共7页
CHINESE JOURNAL OF ANIMAL NUTRITION
基金
福建省自然科学基金资助(X0650006)
福建省高等学校新世纪优秀人才支持计划资助项目
关键词
饲粮粗纤维
妊娠母猪
粪便指标
血清激素
生化指标
dietary fiber
gestating sows
fecal indices
serum hormone
biochemical indices
