Hsu, J. B., H. T. Yen, S. P. Cheng and J. C. Hsu, 1996. Effects of low protein diet supplemented with threonine on the IgG concentrations of first-litter sows and
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- 郑清森,颜宏达,吴继芳,1997,怀孕后期不同饲料喂量对初产母猪性能之影响。中国畜牧学会会志,26(增刊):169。