Article
Bursa atrophy at 28 days old caused by variant infectious bursal disease virus has a negative economic impact on broiler farms in Japan.
Avian pathology : journal of the W.V.P.A - 1 Feb 2021
Myint Ohnmar, Suwanruengsri Mathurot, Araki Kenji, Izzati Uda Zahli, Pornthummawat Apisit, Nueangphuet Phawut, Fuke Naoyuki, Hirai Takuya, Jackwood Daral J, Yamaguchi Ryoji
Abstract excerpt
Infectious bursal disease (IBD), caused by IBD virus (IBDV), is highly contagious, immunosuppressive and causes a negative economic impact on poultry industry. IBDV-vaccinated broiler farms at south Kyushu, Japan had a bursa-to-bodyweight ratio (BB ratio) reduction at 28 days (d) old, followed by high mortality 30 d later. We analysed the influence of the IBDV on atrophy of the bursa of fabricius (BF) and the...
Topics
- Animals
- Atrophy
- Birnaviridae Infections
- Chickens
- Farms
- Genetic Variation
- Infectious bursal disease virus
- Japan
- Poultry Diseases