Effect of processing whole cottonseed on nutrient digestibility and ruminal fermentation in dairy cows

被引：2
|
作者：
Chen, P. [1 ]
Ji, P. [1 ]
Cao, Z. J. [1 ]
Li, S. L. [1 ]
机构：
[1] China Agr Univ, Coll Anim Sci & Technol, State Key Lab Anim Nutr, Beijing 100094, Peoples R China
来源：
JOURNAL OF ANIMAL AND FEED SCIENCES | 2007年 / 16卷
关键词：
cottonseed; processing; nutrient digestibility; ruminal fermentation; dairy cows;
D O I：
10.22358/jafs/74601/2007
中图分类号：
S8 [畜牧、 动物医学、狩猎、蚕、蜂];
学科分类号：
0905 ;
摘要：
Four ruminally cannulated Holstein cows were used in a 4 x 4 Latin square design to determine the effect of feeding tinted, delinted and extruded linted whole cottonseed (WCS) on nutrient digestibility and ruminal fermentation. Result showed that crude protein digestibility was lower in tinted and delinted WCS treatments than control and extruded linted WCS treatment. Cows fed extruded delinted WCS had the highest digestibility of neutral detergent fibre compared with those fed the other diets. The inclusion of processing WCS did not alter ruminal pH and ruminal total and molar proportion of volatile fatty acids, however, feeding delinted WCS reduced the ruminal ammonia nitrogen concentration and acetic:propionic acid ratio.
引用
收藏
页码：537 / 542
页数：6
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