A Study on Prevalence of Duck Plague at Chhagalnaiya Upazilla, Feni

Abstract

The study was conducted during the period from 17th December 2008 to 16th February 2009 at Chhagalnaiya in Feni. The study determines the prevalence of Duck plague (DP) on the basis of clinical finding, post mortem findings, age of the duck and vaccination status of duck. Age wise highest prevalence of DP was recorded (55.55%) in old duck (> 7weeks) and lowest prevalence of duck plague was (15.55%) in adult ducks (2-7 weeks). The prevalence of DP was more in unvaccinated (84.44%) than vaccinated duck (15.55%) on the basis of post mortem examination the lesion is higher in the liver (75%) than other organs. In clinical finding, the most common signs are unable to stand, droppings of wings, in appetite, weakness, ataxia, nasal discharge, swollen head, watery diarrhea, ruffled feather than photophobia, adhered eyelid, extreme thirst