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如何保障弱仔猪的成活率 被引量:1

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摘要 幼猪是现代化、集约化养猪生产成功的必备基础,是生长发育最快、可塑性最大、饲料利用效率最高、抗病力弱、受环境改变影响最大、最有利于定向发育的时期,也是影响选育效果的决定性阶段。幼猪培育是增殖猪群数量、提高猪群质量、巩固育种效果、降低生产成本的关健阶段,是养猪生产保持较高生产水平的阶段。
作者 李丹
出处 《畜牧兽医科技信息》 2013年第3期92-92,共1页 Chinese Journal of Animal Husbandry and Veterinary Medicine
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  • 1SATOSHI K, ALLISON J D.Social performance reveals unex- pected vocal competency in young songbirds[J].Proceedings of the National Academy of Sciences of the United States of America, 2011, 108(4): 1687-1692.
  • 2FERRARI S, SILVA M, GUARINO M, et al.Cough ~und a- n~ysis to identify respiratory infection in pigs [J]. Computers and Electronics in Agriculture, 2008,64(2):315-325.
  • 3IACOBUCCI P, COLONNELLO V, D' ANTUONO L, et al.Piglets call for maternal attention: Vocal behaviour in Sus scrofa domesticus is modulated by mother's proximity[J] .Ap- plied Animal Behaviour Science, 2015( 171 ) : 88-93.
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  • 6CHENG Jinkui, SUN Yuehua, JI Liqiang.A call-independ- ent and automatic acoustic system for the individual recog- nition of animals: A novel model using four passerines [J]. Pattern Recognition, 2010, 43( 11 ) : 3846-3852.
  • 7DAVIS S,MERMELSTEIN P.Comparison of parametric repre- sentations for monosyllabic word recognition in continuously spoken sentence [J]. IEEE Transactions on Acoustics, Speech, and Signal Processing, 1980, 28 (4) : 357-366.
  • 8LINDE Y, BUZO A, GRAY R M. Analgorithm for vector quantizer design[J] .IEEE Transactions on Communications, 1988, 28(1) :84-95.
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  • 10张旭博,周渊平.基于MFCC和VQ码书的说话人识别系统研究[J].通信技术,2009,42(9):162-164. 被引量:4

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