Description of pathological changes at necropsy

Pericardium liver, balloon inflammation, myocardial hemorrhage, coronal fat hemorrhage, black lung, pancreatic hemorrhage and necrosis, splenic necrosis, intestinal adhesion, hemorrhagic plaque, mucosal detachment, meningeal hemorrhage.

Chicken Medicine

Diagnose : Escherichia coli

Medication regimen :

Morning : Seocho essence(1000pieces duck/bottle) +Carbapiline calcium(250liter/bag) continue use 2 hours

Forenoon: Colistin sulfate soluble powder (500liter/bag)+Doxycycline(500liter/bag)+gankuaihao (250liter/bag)

Afternoon: Colistin sulfate soluble powder (250liter/bag)

Continue use 4 days

Follow up : On the first day, the number of deaths dropped by 284,The next day, the number of deaths dropped to 170,feeding returned to normal,the third day die 66.

Breeding summary: Weather is changeable, temperature difference is too large, feeding management should be adjusted according to the temperature in the shed, do not suddenly high or low, not to heat insulation and stuffy shed.

New extraction process