Fowl cholera

Fowl cholera (also called avian choleraavian pasteurellosisavian hemorrhagic septicemia) an infectious disease affecting almost all birds, sustained by Pasteurella multocida, a gram-negative, immobile, asporiginal, facultative anaerobic bacterium. Affected birds are most often chickens, ducks, turkeys, geese, guinea fowl, rarely pigeons and pheasants. Healthy carriers are very important in the spread of the disease; in fact, in the saprophytic state, the bacterium can live in the nasal cavities of receptive birds causing mucopurulent secretions, highly infectious. The incubation period is normally from 4 to 9 days but can be reduced to 48 hours during enzoozie.

Depending on the incubation period, the disease can have a hyperacute form with lightning death (from evening to morning); acute with felling, ruffled feathers, head folded under the wing, staggering, thirst, mucopurulent discharge from the nostrils. Finally, there is a chronic form with anemia, diarrhea, weakness and slimming. Prophylaxis is carried out by vaccination and by hygiene and disinfection of poultry houses. The therapy can be practiced, with good results, through the use of sulfonamides or antibiotics.

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