vitellus Archives - Veterinaria Digital

All information about veterinary medicine and animal production

Magazine of veterinary information, medicine and zootechnics, specialized in the poultry, pig, ruminant and aquaculture sectors

Magazine of veterinary information, medicine and zootechnics, specialized in the poultry, pig, ruminant and aquaculture sectors

Blogs / vitellus

vitellus

Blogs

Atlas of Pathology

Veterinaria Digital - 16/11/2020

Non-absorbed vitellus in broiler

The absorption of the vitellus begins during the embryonic stage, and at birth its relative weight should be less than 8% with respect to the total body weight of the bird. The persistence of the vitellus in a higher percentage is usually related to...


Blogs

Veterinaria Digital - 17/09/2018

Typhlitis

Yolk infection caused by SH2+ enterobacteria also affects the ceca, which are filled with green liquid and sulphide gas. This initial lesion can evolve into caseous cecal content.


Blogs

Veterinaria Digital - 26/08/2018

Yolk infection and hepatic abscesses

Poultry. Occasionally, yolk infections spread, in embryos, to adjoining organs, causing the formation of hepatic abscesses. In this situation, unlike infectious toxic hepatoenteritis, yolks are not green and the highest mortality rate does not take place...


Blogs

Veterinaria Digital - 22/04/2018

Avian typhlitis and hepatitis

Avian typhlitis and hepatitis. The presence of pyocyanic enterobacteria that infect the vitlelus is the microbial cause of the hepatic, intestinal and cecal lesions, shown in the picture.


Blogs

Veterinaria Digital - 2/12/2017

Avian omphalitis

The internalization of the vitellus (yolk) takes place during the few hours prior to hatching. This process is done through the navel. In case of vitellus infection, the healing of the navel slows down and we can see a naval such as the one in this...


Blogs

Veterinaria Digital - 19/08/2017

Yolk Sac in Avian Infectious Toxic Hepatoenteritis

Hepatic infection by SH2-enterobacteria in the breeding hen remains in the biliary ducts and gall bladder. It can infect, due to its anatomical proximity, the ovary and the yolk, transmitting the bacteria to the embryo. From that moment, several...


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