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《Progress in Veterinary Medicine》 2017-02
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Effect of Effective Microorganisms(EM) on Productive Performance of Piglets

JIAO Yang-yang;OUYANG Yue-ling;ZHOU Hong-chao;CAI Jun-bo;GUO Kang-kang;College of Veterinary Medicine,Northwest A&F University;Animal Husbandry and Veterinary Station of Zhenwudong Town;Comprehensive Agricultural Service Station of Houliu Town;  
In this study,postpartum sows and weaned piglets were fed with effective microorganisms(EM)in order to explore the effects of EM on the productive performance in piglets.Seven days before the experiment,pregnant sows were fed with EM(5mL/kg in the basal diet)from prenatal 7days.Three sows with more than 8piglets per litter and the piglets were selected as experimental group fed with EM diet for28 days.The weight gain of sows,the birth weight,weaning weight and survival rate of piglets were counted.The 24 weaned piglets were fed with EM until 60 days old.And then,the weight gain,feed intake,feed conversion ratio,incidence also were counted,the growth performance of weaned piglets was analyzed.Meanwhile,the same number of piglets without adding EM were set up as control group.The results showed that the average daily intake of sows after delivery increased 12.07% compared with the control,and the birth weight,weaning weight,alive number,weaning number and weaning survival rate were increased with 15.90%,9.09%,12.09%,20.99% and 8.81%,respectively.Post-weaning piglets were kept feeding with EM up to 60 days,the average feed intake improved 10.26%,the feed weight gain ratio decreased 7.14%,and the morbidity of piglets significantly declined 50.03%.This research provided basic data for EM application in pig breeding.
【Fund】: 陕西省重点农业科技示范推广项目(ZDKJ-2014-33);; 西北农林科技大学科技推广示范项目(Z222021411)
【CateGory Index】: S828
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