酸化饲料对断奶仔猪体内大肠菌群的影响

作者在给断奶仔猪饲喂不同pH值(酸结合力)的饲料后，认真地研究了仔猪体内大肠菌群的动态变化。通过对168头仔猪进行分组试验，分别饲喂不同pH值(酸结合力)的饲料，并在饲喂3d和10d后，对仔猪进行随机抽样，分别采集仔猪的粪样以及胃内食糜做检样。结果证实，在仔猪日粮中加入2％的柠檬酸(pH=4．51)能明显地改善断乳仔猪肠道内的大肠杆菌数量，可明显地降低大肠杆菌病的发生。

Sour animal feed to the influence that weaner inside Escherichieae

After the author to feed the piglet diffrent pH value feed,conscientiously research the change of the escherichieae in the piglet body. The experiment at the random method in adoption the take out to take totally 168 piglets proceed to divide the set is on trial, distinguishing the feed the worth animal feed in different pH, and eat in 3 days in hello, in10 divas, to piglet proceeding with machine drew samples, respectively collect muck kind and substance in the stomach's of the pig of piglet the proceed to experiment. The result verifying,to add 2% of the citric acid in the piglet's day grain can obviously improve the Escherichieae quantity in the piglet's colon,it can reduce emergence of colon bacillus disease obviously.