RobertVanWyheIntestine肠道Feedqualityandquantity饲料质量和数量Waterquality饮水质量Goodhealth身体健康©Hy-LineInternationalCoccidiatreatment球虫病的治疗Clostridialdiseases梭菌疾病©Hy-LineInternational©Hy-LineInternationalClostridialdiseases梭菌疾病Feedadditives饲料添加剂Feedadditives饲料添加剂Feedadditives饲料添加剂©Hy-LineInternationalEffectsofxylanasesupplementationonperformanceofhensfedwheatbaseddiets向小麦基础日粮中添加木聚糖酶后对产蛋鸡生产性能的影响Enzymes酶Issuestoconsider需要考虑的问题Prebiotics益生元©Hy-LineInternationalYeastsupplementationandshellweight补充酵母和蛋壳重量Prebiotics益生元Probiotics益生菌Probioticmechanisms益生菌的机制©Hy-LineInternationalPerformanceoflayinghensfedvariousprobiotics饲喂不一样益生菌的蛋鸡生产性能Performanceoflayinghensfedvariousprobiotics饲喂不一样益生菌的蛋鸡生产性能Probiotic益生菌Otherfeedadditives其他饲料添加剂Feedadditivesworkinconcert饲料添加剂的协同作用Summary总结©Hy-LineInternational