Serological Status of Newcastle Disease Virus in Live Broiler Birds of Mansehra Khyberpakhtunkhwa Pakistan

In developing country Poultry is a big source to get poultry production. In Pakistan the poultry investment is about 1 billion US dollar in poultry sector. The animal protein and the eggs availability is directly proportional to the broiler meat availability. Which is increasingly by 4 %annually. the family in urban areas suffer more from the poultry production activities in same or different ways than the family of rural areas [1]. The major thing which is involved in spreading of such kind problem is infectious disease this infectious disease is due to disseminated agent in poultry production sector. There are different agents in country that cause disease in poultry and their products diseases are Newcastle disease (ND). infectious bursal disease (IBD), Infectious Bronchitis (IB) and Egg Drop Syndrome, (EDS). Hydropericardium syndrome (HPS), and Avian Influenza virus (AI), these diseases may cause economical loss of poultry and their product by causing mortality, reduce the production of egg, hatchability. stress, morbidity across the world including Pakistan [2] NDV are considered to be the rich source of causing mortality in chicken [3] and many other species like wild birds and domesticated found to be susceptible to NDV [4-6]. The dessimination of NDV is nearly normal through new birds, selling or giving away sick and carrier birds [7]) regarding to this situation This study was designed to evaluate the prevalence of Newcastle disease virus antibodies in different age group of vaccinated and non-vaccinated chicken from different forms of district Abbottabad.