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[样品饲料干燥方法及研磨细度对瘤胃氮降解率测定的影响]

[Influence of the drying method and the grinding fineness of the sample forage on the determination of nitrogen degradability in the rumen].

作者信息

Peyraud J L

机构信息

INRA, Station de Recherches sur la Vache Laitière, St-Gilles, L'Hermitage, France.

出版信息

Reprod Nutr Dev. 1990;Suppl 2:153s-154s.

PMID:2206301
Abstract

The effects of the drying method (freeze-drying, forced-air oven at 60 degrees C for 24 h and conventional oven at 80 degrees C for 48 h) and grinder screen size (0.8 vs 1.5 mm) upon in sacco degradability were compared with 7 forages. Nitrogen degradability was reduced by oven drying even at the lower temperature, but screen size was less important.

摘要

比较了干燥方法（冷冻干燥、60℃热风烘箱干燥24小时和80℃常规烘箱干燥48小时）和粉碎机筛网尺寸（0.8毫米与1.5毫米）对7种草料瘤胃内降解率的影响。即使在较低温度下，烘箱干燥也会降低氮降解率，但筛网尺寸的影响较小。

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