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旨在研究不同非纤维性碳水化合物/中性洗涤纤维(NFC/NDF)水平饲粮对3~6月龄断奶公犊牛瘤胃发酵参数和微生物多样性的影响。选取2~3月龄健康、平均体重为(94.38±0.25)kg的断奶公犊牛30头,随机分为2组,每组15头。分别饲喂粗蛋白质水平相近,NFC/NDF分别为1.35(A组)和0.80(D组)的2种全混合饲粮。试验期105 d,其中预试期15 d,正试期90 d。试验开始后,每组挑...
生产层不同测定方法对青贮饲料中NDF和ADF含量的影响
青贮饲料 中性洗涤纤维 酸性洗涤纤维
2013/7/16
为探讨滤器和不同测定方法对青贮饲料中性洗涤纤维(NDF)和酸性洗涤纤维(ADF)的影响,本试验选取内蒙古地区常见的8种青贮饲料为供试材料,选用ANKOM滤袋、CAU滤袋和P2型玻璃坩埚为热抽滤装置,以传统的范氏法为对照,分别对青贮饲料NDF的测定进行耐高温α淀粉酶处理, ADF的测定采用连续洗涤法。结果表明,8种青贮饲料的NDF和ADF含量,经ANKOM滤袋和CAU滤袋所测结果均无显著差异;通过...
用4只体重(35±2.5)kg装瘤胃瘘管、十二指肠和回肠T型瘘管的徐淮白山羊,饲喂中性洗涤纤维/非纤维性碳水化合物比(NDF/NFC)不同的A、B、C、D 4种日粮,分别利用二氨基庚二酸和卵磷脂作为瘤胃细菌和纤毛虫的内标物测定进入十二指肠的细菌、纤毛虫及过瘤胃饲料蛋白质的各种氨基酸的流量与组成,研究对山羊小肠内可吸收氨基酸组成的影响。结果表明:小肠可吸收氨基酸(AA)中,B组细菌AA为1.54 g...
Effects of Supplemental Yeast (Saccharomyces cerevisiae) Culture on NDF Digestibility and Rumen Fermentation of Forage Sorghum Hay in Nubian Goat’s Kids
Nubian goat yeast culture forage sorghum NDF digestibility
2010/11/9
Twelve male Nubian goats’ kids fed a basal diet of Forage sorghum hay were used to investigate the effect of Saccharomyces cerevisiae culture (Diamond V) supplementation (0, 2.5, 5 g/day) on feed inta...
In sacco NDF degradability and mineral release from selected forages in the rumen
forage NDF mineral element release rumen in saccometod
2015/6/1
An in sacco technique was used to measure NDF degradability and release of Mg, Ca, Zn, Cu, Fe from six forages – lucerne hay from the 1st cut (LH1), from the 2nd cut (LH2), orchard grass (G), grass si...