This experiment was conducted to determine the effects of substitution of fermented corn stover with alcohol wastewater for whole corn silage on performance of dairy cows. Forty Chinese Holstein dairy cows with the same body weight, age, fetal times and milk yield were randomly divided into 2 groups and 20 cows in each group. The experiment included three periods, cows in the control group were fed a basal diet in each period, and those in the experimental group were fed the experimental diet which replaced 30%(30% replacement group), 60%(60% replacement group) or 100% (100% replacement group)fermented corn stover with alcohol wastewater with whole corn silage in each period. The experiment lasted for 27 days. The results showed as follows: 1) the contents of crude protein, neutral detergent fiber, neutral detergent insoluble protein and acid detergent insoluble protein in fermented corn stover with alcohol wastewater were significantly higher than those in the whole corn silage (P<0.05). 2) Compare with the control group, dry matter intake was increased by 9.45% in 60% replacement group (P<0.05), but the milk yield had no significant difference (P>0.05); while milk yield was decreased by 12.05% in 100% replacement group (P<0.05), but the dry matter intake had no significant difference (P>0.05). 3) The percentage of milk composition in experimental groups had no significant change compared with the control group (P>0.05). The net content of milk protein yield was increased by 4.65% in 100% replacement group compared with the control group (P<0.05), but the net content of other milk components were decreased significantly (P<0.05). It is concluded that partly replacement (30% or 60%) of fermented corn stover with alcohol wastewater for whole corn silage in diets has no significant influence on cows’ performance.
YAO Qing
,
XIN Hangshu
,
WANG Mingjun
,
LI Zhongyu
,
LIU Kaiyu
,
ZHANG Ning
,
LI Min
,
LI Xinxin
,
ZHANG Yonggen
. Effects of Substitution of Fermented Corn Stover with Alcohol Wastewater for Whole Corn Silage on Performance of Dairy Cows[J]. Chinese Journal of Animal Nutrition, 2012
, (11)
: 2230
-2236
.
DOI: 10.3969/j.issn.1006-267x.2012.11.022
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