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作 者:章双杰[1] 郭军[1] 汤青萍[1] 邹剑敏[1] 李慧芳[1] 朱春红[1] 陆火林 苏建东 谈为忠[3] 徐国银[3]
机构地区:[1]江苏省家禽科学研究所,扬州225003 [2]苏州市乡韵太湖鹅有限公司,苏州215111 [3]苏州市吴中区金庭动物防疫站,苏州215111
出 处:《动物营养学报》2011年第11期1925-1931,共7页CHINESE JOURNAL OF ANIMAL NUTRITION
基 金:国家科技支撑计划(2008BADB2B08);江苏支撑计划(BE2010370);现代农业产业技术体系建设专项资金(nycytx-42-G1)
摘 要:本研究旨在探索鹅对不同非常规饲料的利用率。试验以30只成年太湖鹅公鹅为研究对象,随机分为5组,每组6个重复,每个重复1只鹅,其中1组为内源排泄物对照组。空腹24h后,每组强饲1种饲料,各组内每只鹅强饲量相同,内源排泄物对照组不强饲。采用平板收粪法收集24h排泄物。2次试验间恢复期12d。测定生产中常见的11种非常规饲料代谢能(ME)和中性洗涤纤维(NDF)、酸性洗涤纤维(ADF)、半纤维素(HC)利用率。结果表明:鹅对啤酒糟、白酒糟、瘪稻、黑麦草粉、稻壳、玉米秸、稻草、麦秸、麦糠、平菇菌糠、花生藤的真代谢能(TME)分别为9.29、8.67、8.97、5.89、3.85、3.10、3.32、3.02、5.29、2.48、3.15M J/kg。用TME法测得的11种非常规饲料的NDF利用率为6.14%~45.01%,ADF利用率为4.52%~32.57%,HC利用率为18.45%~61.59%。TME最佳一元预测方程为TM E=12.205-0.232CF(R2=0.817)。研究结果显示鹅对非常规饲料有较高的利用率,能量利用率和粗纤维(CF)的含量呈极显著的负相关。试验所测ME值可为非常规饲料合理利用,准确计算与调整鹅饲料配方提供参考依据。This experiment was conducted to study the availability of different unconventional feedstuffs for geese.A total of 30 Taihu ganders were selected and divided into 5 groups with 6 replicates per group and 1 goose in each replicate,and one group was allocated as control.Taihu ganders in 4 treated groups were force-fed with uniform weight of different uncommon feedstuffs after 24 h fasting,and the control group was kept in fasting with no force feeding.All excretion of each group was collected in 24 h after force feeding with plates.There was a 12-day recovery period between treatments.In this study,we total analyzed the metabolizable energy(ME),neutral detergent fiber(NDF),acid detergent fiber(ADF) and hemi cellulose(HC) of eleven kinds of uncommon feedstuffs which including brewer's grains,distillers grains,empty-grain rice,ryegrass powder,rice husk,corn stalk,rice straw,wheat straw,wheat husk,mushroom bran and peanut vine for geese.The results showed that true metabolizable energy(TME) values of 11 kinds of feedstuffs were 9.29,8.67,8.97,5.89,3.85,3.10,3.32,3.02,5.29,2.48 and 3.15 MJ/kg,respectively.Availability of NDF for different uncommon feedstuffs ranged from 6.14% to 45.01%,availability of ADF ranged from 4.52% to 32.57%,availability of HC ranged from 18.45% to 61.59%.The optimum prediction equation: TME=12.205-0.232 CF(R2=0.817).These results indicated that geese are preferred to uncommon feedstuffs with high availability,and there is a significantly negative correlation between energy availability and the crude fiber(CF).ME values tested in this experiment can provide foundation for preparation and adjustment of feed formula for reasonable utilization of uncommon feedstuffs for geese.
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