Characteristics and control of avian aspergillosis

2023-08-13

Qingdao Zhongren Animal Medicine Co., Ltd

Zhongren kinetic drug

Avian aspergillosis is also called mycotic pneumonia. It is a fungal disease caused by Aspergillus that mainly occurs in young birds and is characterized by dyspnea and the formation of small nodules in the lungs and air sacs.

The main pathogen is Aspergillus fumigatus, in addition to Aspergillus niger and Aspergillus flavus.

popular features]4-12Day age is the peak period of occurrence and then gradually decreases. Acute mass outbreaks are common, with high morbidity and mortality. The adult birds are mostly distributed.

[clinical symptoms] history of contact with mold. Such as moldy bedding, moldy feed or chicken house damp, water, around the barrel of mold, etc. Characteristic conditions are dyspnea, mouth opening and wheezing. Other for the spirit of depression, diet, thirst, unwilling to move and other general symptoms. Necropsy after diagnosis according to characteristic lesions. Young birds are more than a group of acute outbreaks, adult birds scattered.

[necropsy lesions] the characteristic lesions are the lung, thoracic air sac, bilateral chest wall, dorsal chest wall and abdominal air sac with more yellowish nodules ranging in size from rice grains to sorghum grains. The liver is enlarged and yellow, the kidney is swollen and bleeding, the duck shows anemia, the duck web, the duck beak is white.

[Key points of diagnosis] According to the history of contact with mold, clinical symptoms and autopsy lesions, the above-mentioned characteristic lesions can be diagnosed.

prevention and control]

Prevention: Do not feed moldy feed, do not pad moldy litter, pay attention to the damp place in the house and remove the growing mold in time near the water barrel.

Treatment: Quickly cut off contact with the mold, the flock to take nystatin. If there is secondary infection or prevention of secondary disease can be administered against E. coli and mycobacteria drugs.

Such:

(1)regularly added to the feed"No. I", each bag mixed1000catty material, or"Meiyi Net（500g) "each bag mixed2000When the material is seriously contaminated by mold,Mix each bag1000catty material,continuous use5-7Day.

(2)Nystatin Tablets Per Tablet2-3Jin material, mixing material feeding, once a day, continuous feeding2Day.

(3)“Slow Dick”+“Rod QingbiWait, drinking water. Twice a day, drink.3-5Day."Nano Jinwei”、“Jin Weihe Quick Supplement”、“cod liver oil", even drink3-5Day.

(4)Remove mold in the house and stop feeding moldy feed. Contaminated chicken houses and feed processing rooms can be used"Fungal poison double kill smoke disinfectant"Fumigation disinfection.

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