[size=75%]No cross-fostering, mixing of baches or re-mixing between finishing pens .
[size=75%]Strict hygyne and disinfection including daily light desinfecton all over farm .
[size=75%]No cross-fostering, mixing of baches or re-mixing between finishing pens .
[size=75%]Strict hygyne and disinfection including daily light desinfecton all over farm .
貌似:
不能交叉培养,不能混群或者在育成圈舍之间混群?
严格的卫生和消毒措施,包括白天整个畜舍的光灭菌