Infectivity titre and HA activity of newcastle disease virus grown in embryonated chicked eggs

¹Department of Veterinary Public Health

Department of Veterinary Microbiology, College of Veterinary Science and Animal Husbandry, N.D. University of Agriculture and Technology, Kumargang- 224229, Faizabad, U.P. (India)

*Corresponding author: E-mail: rkjoshivet26@gmail.com