Atlas of Pathology – Veterinaria Digital

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Veterinaria Digital

Atlas of Pathology

Veterinaria Digital - 6/07/2020

Hemorrhagic fatty liver

This syndrome can have a nutritional, seasonal, or toxic origin, and it is common in overweighed layers. Initially, a drop in the laying rate and sudden death of some birds are observed. The most striking lesions are comb paleness, which indicates blood...


Atlas of Pathology

Veterinaria Digital - 29/06/2020

Avian septicemia and petechiae in the fat

Septicemia in birds is very frequent because they lack of regional lymph nodes. This is compensated with a high body temperature to control microorganisms, which makes the incubation periods of several diseases that cause septicemia much longer, of...


Atlas of Pathology

Veterinaria Digital - 15/06/2020

Hemorrhages in the reproductive system caused by the Newcastle disease virus

Newcastle disease in breeders usually causes hemorrhages in the reproductive system. In addition, semi-encapsulated vesicles with serohemorrhagic liquid content and blood clots are usually found. Many times, this is the only lesion observed, and only...


Atlas of Pathology

Veterinaria Digital - 8/06/2020

Soft-shelled eggs by adenovirus

Type III adenovirus is the cause for the egg drop syndrome (EDS), which produces a rapid drop in egg production, as well as the presence of irregular, shell-cracked or shell-less eggs, such as the ones in the picture, called soft-shelled eggs. Infectious...


Atlas of Pathology

Veterinaria Digital - 1/06/2020

Orangeish feces caused by trichothecenes

Orangeish feces caused by trichothecenes: These mycotoxins cause necrosis by contact in the gut mucosa, where there is defoliation of the epithelium and villi loss, which form an orangish jelly that can be observed in the feces. Differently from the...


Atlas of Pathology

Veterinaria Digital - 25/05/2020

Ovarian infection in layers

Ovarian infection in layers: Some laying or breeding hens have green, infected ovules in the necropsies. This pathology corresponds to an infection by enterobacteria, usually vertically transmitted, that does not cause the death of the hens, which...


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