Avian pox

 

Introduction :

Avian pox is a slow spreading common virus disease for birds, characterized by mainly two forms 1. mild form and 2. Severe form. It has a worldwide distribution ans has been described in more than 60 species of birds representing some 20 families, as will as in caged birds.

Fowl Typhoid

 

Introduction : 

Fowl typhoid is a septicemic acute or chronic disease of domesticated birds, caused by Salmonella gallinarum. The disease is worldwide distributed and natural outbreaks occur in chickens, turkeys, guinea fowl, peafowl, duckling and game birds such as quail, grouse and pheasant. Both vertical and horizontal transmission occur and the disease differs from other avian salmonella infections in that clinical disease is usually seen in growers or adult birds although chicks can be affected.

Pullorum Disease of Fowl.

 

Introduction

Pullorum disease is an important bacterial disease of fowl, caused by Salmonella pullinarum. The disease is most commonly spread by true egg transmission. While all avian can be infected with Salmonella pullinarum, reports of clinical disease in species other than chickens, turkeys and pheasants are rare. It usually occurs in an acute systemic form in chicks and poults but in adults is most often localized and chronic.