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Table 1 Animal experimental design

From: Newcastle disease virus-attenuated vaccine LaSota played a key role in the pathogenicity of contaminated exogenous virus

Groups Vaccination methods Vaccine Vaccine dosage Contaminated virus Viral dosage Chicken amount Age/days
LaSota Orally NDV A plume No virus   15 7
PBS Orally PBS A plume No virus   15 7
LaSota/FAdV/CIAV/HD Orally NDV A plume FAdV + CIAV 50 EID50 + 50 EID50 15 7
LaSota/FAdV/CIAV/LD Orally NDV A plume FAdV + CIAV 10 EID50 + 10 EID50 15 7
PBS/FAdV/CIAV/HD Orally PBS A plume FAdV + CIAV 50 EID50 + 50 EID50 15 7
PBS/FAdV/CIAV/LD Orally PBS A plume FAdV + CIAV 10 EID50 + 10 EID50 15 7
  1. H represents high dose, such as 50 EID50; L represents low dose, such as 10 EID50.