杜仲叶

注册

 

发新话题 回复该主题

WhatistheReasonC [复制链接]

1#
北京皮肤病医院咨询 http://m.39.net/pf/a_4781505.html

Everyoneknowsthatthelevelofprofitofbreedinglayinghensisdeterminedbytheeggproductionrate.Highproductioncanmakemoney,otherwise,itcannotmakemoney.Usually,someminorproblemscausedthelayingrateoflayinghenstodrop.Aftertreatment,thelayingratewillberestored.However,ifthereisaproblemwiththereproductivesystemofthelayinghen,thelayingratewilldropsharply,resultinginnolaying.frequentoccurrenceof

分享 转发
TOP
发新话题 回复该主题