Veterinaria Digital - 1/02/2021

Friable liver in layers: This is common alteration in hens. Some of the most usual causes are hyperenergetic diets, some bacterial toxins or poor quality ingredients in the diet. In this sense, the inclusion of poor quality fishmeal or raw materials with...

Veterinaria Digital - 19/01/2021

Defoliation of the intestinal mucosa: Trichothecenes are mycotoxins that cause necrosis in the digestive mucosa, especially in the intestine. Defoliation begins in the duodenum and affects the entire intestine. A detachment of the epithelium is observed...

Veterinaria Digital - 22/12/2020

Usually, Campylobacter is part of the intestinal microflora of birds, and it does not cause any type of disease. However, in recent studies, some species of this microorganism have been isolated in liver, associated with a liver syndrome characterized...

Veterinaria Digital - 14/12/2020

Egg colour depends on porphyrins, compounds that are produced when the haemoglobin of red blood cells is degraded in liver, and porphyrins become part of the eggshell. In laying hens, intoxication by some antiparasitic substances, such as nicarbazin, is...

Veterinaria Digital - 9/12/2020

This type of lesion is common in broiler and it is usually related to Salmonella or Aspergillus. Both microorganisms cause conjunctivitis; in the case of Aspergillus, birds show itching, while Salmonella causes corneal opacity and blindness. The presence...

Veterinaria Digital - 1/12/2020

Some strains of infectious bronchitis virus affect the reproductive system. In broiler these strains cause oviduct inflammation, and in female broilers they cause hydrosalpingitis. It is usual to find infected birds at an early age, despite the birds...