Effects of mannan-oligosacharide on productive performance and intestinal microflora of weaning pigs周红丽, 张石蕊4-6
Experiments on the weight gain effects of Chinese herbage medicine Codonopsis pilosula(Franch)xannf & Astragalaus menbranaceus(Fisch)Bge P-0 complex in various stages of pig rearing刘光元, 卿柳庭22-23