Performance of lactating dairy cows fed alfalfa haylage with microbial inoculant

被引:2
作者
Magalhaes, VJD [1 ]
Rodrigues, PHM [1 ]
机构
[1] USP, FMVZ, Dept Nutr & Producao Anim, BR-13630000 Pirassununga, SP, Brazil
来源
REVISTA BRASILEIRA DE ZOOTECNIA-BRAZILIAN JOURNAL OF ANIMAL SCIENCE | 2003年 / 32卷 / 06期
关键词
lactic acid bacteria; milk yield; Medicago sativa;
D O I
10.1590/S1516-35982003000800027
中图分类号
S8 [畜牧、 动物医学、狩猎、蚕、蜂];
学科分类号
0905 ;
摘要
The objective of this study was to evaluate the effects of feeding alfalfa haylage with microbial inoculation dry matter intake, milk yield and composition in Holstein cows, at 135 +/- 16.4 days in milk. A cross-over design with two periods of sampling was used. Treatments were alfalfa haylage (50.0% DM and 16.5% CP) control or microbially inoculated with Silobac(R) product (Lactobacillus plantarum and Pediococcus pentosaceus). Each experimental period extended for twenty-one days, the last five used for data collection. The inoculation did not influence DMI (inoculated = 17.8 vs. control = 17.8 kg/animal/day), 4% FCM (21.0 vs. 20.4 kg/day), milk yield (23.0 vs. 22.4 kg/day), fat (3.46 vs. 3.47%), protein (2.96 vs. 2.93%), lactose (4.64 vs. 4.67%), total solids (11.9 vs. 11.9%) and fat free solids percentage (8.49 vs. 8.48%). SCC (5.43 vs. 5.16 log cell/10(3)/mL), MUN (11.7 vs. 12.1 mg/dl), acidity (15.9 vs. 16.4degreesD), density (1030.1 vs. 1030.0) and cryoscopic index (-0.529 vs. -0.53 degreesH).
引用
收藏
页码:2016 / 2022
页数:7
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