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Publikováno v:
Revista de Investigaciones Veterinarias del Perú; Vol 31 No 2 (2020); e17835
Revista de Investigaciones Veterinarias del Perú; Vol. 31 Núm. 2 (2020); e17835
Revista de Investigaciones Veterinarias del Perú; Vol. 31 Núm. 2 (2020); e17835
The present study evaluated the efficacy of a vectorized vaccine against Newcastle disease virus (vENC) applied in the hatchery. Two hundred one-day-old chicks were distributed in four experimental vaccination groups against vENC: T1: Live attenuated