Quarterly Avian pathology II: South-East Asia by: Veterinaria Digital | Veterinaria Digital

Quarterly Avian pathology II: South-East Asia by: Veterinaria Digital

17/06/2010 Birds Bacteria

In South-East Asia, during the second quarter in 2010, they have appeared some injuries by fungi in the corneal layer of the gizzard. This disease, produced by the fungi Aspergillus, Penicilliun and Fusarium have been presented in feed, and displayed with lacerations in the outer side, accompanied by white formations in depth between the corneal layer and the muscular layer of the gizzard. These white formations can be observed clearly when lifting the corneal layer.

In South-East Asia, they have also been found in respiratory processes in subsequent airways, so the incidence of avian flu can be ruled out. The injuries observed consist of opacity of aerial sacks due to Mycoplasma gallisepticum, which subsequently get complicated with the production of casseum due to the presence of an enterbacteria (E. coli, Proteus or Pseudomona). It also can be observed a subsequent complication due to the appearance of casseum in the Glisson’s capsule (perihepatitis) and in the pericardium (pericarditis).

Finally we can highlight the presence of vellum, without absorbing, in over 4 week old birds. It coincides with other observations in one day old chicks where can be found green gizzards whose weight exceeds the 12% of the weight of the chick. This injury is related to the infection of vertical transmission produced by enterbacteria producers of SH2 and could evolve at the respiratory process described above.


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