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Position: Home > Articles > Effect of Energy Intake during Dry Period on Production Performance of Postparturient Cows Journal of Northeast Agricultural University(English Edition) 2004,11 (2)

Effect of Energy Intake during Dry Period on Production Performance of Postparturient Cows

作者：

LI Yan-fei;WANG Zhe;NIU Shu-ling

单位：

;College of Animal Medicine, Northeast Agricultural University, Harbin Heilongjiang 150030, PRC

关键词：

cows;energy intake;production performance

摘要：

24 healthy periparturient cows were randomly allocated into three groups and fed 100% energy diet (NRG standard diets), 120% energy diet and 80% energy diet, respectively, beginning at 28 days prior to anticipated parturition After parturition, all the cows were provided with the lactation ration ad libitum until the day 56 postpartum. The objectives of the study were to investigate the effect of energy intake during the dry period on the production performance in the postpartum cows. The results indicated that the cows fed with high energy diet during the dry period had a lower dry material intake (DMI) and reduced milk production and a significant body weight (BW) loss compared with the cows fed with 80% energy diet and 100% energy diet. The results suggested that energy intake during the dry period was an important factor that influences and regulates DMI, milk production and energy equilibration of postpai— turient cows.

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Effect of Energy Intake during Dry Period on Production Performance of Postparturient Cows

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东北农业大学学报(英文版)

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