Hauv kev xyaum ntau lawm, qhov kub thiab av noo, cua, cov ntsiab lus no yogKev tswj hwm qaib ua liaj ua tebCov. Qhov tshwj xeeb tshaj yog kub, huab cua sib txawv, cov khoom siv kub, pub hom, pub mis ceev, cov qauv tawb yuav ua rau muaj qhov txawv nqaij qaib.

Nyob rau tib lub sijhawm, tus tsis raug kev hloov kho ntawm cov inlet ntawm lub tsev poj qaib, cov cua ceev ntawm cov inlet poob taw tes thiab lwm yam kev sib txawv hauv tsev hen. Temperature difference is too large chickens are prone to cold and cold induced respiratory tract and digestive tract diseases, resulting in poor yolk absorption of chicks, at the same time affect immune function, reduce antibody generation and humoral immunity, leading to immune suppression of chickens, resulting in reduced resistance to disease of chickens, disease occurrence.

Qhov sib txawv kub: ntuj muaj qhov sib txawv, qhov sib txawv ntawm qhov sib txawv, qhov sib txawv ntawm qhov kub thiab txias, qhov sib txawv ntawm qhov kub thiab txias, qhov sib txawv ntawm qhov kub thiab txias, qhov sib txawv ntawm qhov kub thiab txias, qhov sib txawv ntawm qhov kub thiab txias Ntse kub sib txawv, thiab lwm yam.