求翻译：摘要：为研究发酵床养殖法对肉猪育肥效果的影响，选择保育舍中日龄、体重相近，健康无病的三元杂交猪200头，采用随机单位组设计，分成2组，每组100头，每组5个重复，每个重复20头。第1组为对照组，按传统模式常规饲养；第2组为试验组，按发酵床养殖法饲养，饲养过程中对日增重、料重比等经济指标进行测定。结果表明：试验组的日增重、料重比均明显好于对照组；试验组比对照组每头猪多增加经济效益178.36元。因此，发酵床养殖法对肉猪育肥效果显著。是什么意思？

Abstract: To study the fermentation bed cultivation method for the effect of fattening pigs, selection in the nursery age, body weight similar to healthy disease-free crossbred pig 200, a random group of design units, divided into 2 groups of 100 head, each five replicates of 20. Group 1 for the con

Summary: a study of meat fermentation bed aquaculture law, pig fattening effects of choice on conservation in age, weight, and proximity of healthy disease-free 3 200 hybrid pig head, using the random group design, and is divided into 2 groups and each group head 100, each group of five duplication,

Abstract: In order to study the fermentation bed cultivation law to the meat pig fattening effect influence, the choice care whole family date age, the body weight are close, the health not gets sick three Yuan hybrid pig 200 heads, use the stochastic single byte design, divides into 2 groups, each

Abstract: to study the impact of fermentation bed culture of pig fattening by, select the closest in age, body weight in care homes, health disease-free three-way cross swine 200, using randomized blocks design, divided into 2 groups, each group of 100 head, each 5 repeat, each repeated 20 head. 1th

Abstract: to study the impact of fermentation bed culture of pig fattening by, select the closest in age, body weight in care homes, health disease-free three-way cross swine 200, using randomized blocks design, divided into 2 groups, each group of 100 head, each 5 repeat, each repeated 20 head. 1th