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产蛋鸡在不同产蛋数与蛋重时对蛋白质的需要 被引量:1

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摘要 普遍认为,产蛋鸡在产最高重量蛋时对蛋白质的需要比产最大数量蛋时的需要略高。因而在产蛋早期,尤其在正常蛋重偏低时采取提高日粮蛋白质水平的方法来提高早期蛋重。相反在产蛋末期,当蛋重过大时,则降低日粮蛋白质水平。
出处 《国外畜牧科技》 1990年第1期34-35,共2页 Animal Science Abroad
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  • 1金鑫,张源久,郑元策,姜顺玉.产蛋鸡能量营养参数的研究[J].吉林农业科学,1994,19(3):73-78. 被引量:7
  • 2MURUGESAN G R, PERSIA M E. Validation of the effects of small differences in dietary metabolizable energy and feed restriction in first-cycle laying hens [J] .Poultry Science ,2013,92(5) : 1238-1243.
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  • 8WU G, BRYANT M M, GUNAWARDANA P, et al. Effect of nutrient density on performance, egg compo- nents, egg solids, egg quality, and profits in eight com- mercial leghorn strains during phase one [ J ]. Poultry Science, 2007,86(4) :691-697.
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