The effect of different Newcastle disease live vaccines and vaccination schedules on the immune response and performance of broiler chickens serologically positive to mycoplasmas.
Citation:
Amer, M. M., and W. A. A. El-Ghany,
"The effect of different Newcastle disease live vaccines and vaccination schedules on the immune response and performance of broiler chickens serologically positive to mycoplasmas.",
Beni-Suef Veterinary Medical Journal, vol. 16, issue 1, pp. 18-26., 2006.