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Table 3 Bodyweight changes of vaccinated chickens after challenge with the IBV CK/CH/JS/06II strain

From: Protection conferred by a recombinant Marek’s disease virus that expresses the spike protein from infectious bronchitis virus in specific pathogen-free chicken

Groups

Bodyweight (g)*

 

1-day-old

Pre-challenge

Post-challenge

rMDV-S1

49.5 ± 0.8 a (n = 20)

259.6 ± 10.9 a (n = 20)

433.0 ± 29.8 a (n = 19)

CVI988/Rispens

49.4 ± 0.7 a (n = 20)

256.6 ± 11.4 a (n = 20)

395.7 ± 48.7 b (n = 14)

PBS

49.5 ± 1.1 a (n = 20)

258.8 ± 10.9 a (n = 20)

391.6 ± 50.9 b (n = 14)

  1. * Mean ± SE. Bodyweight among the four experimental groups, as indicated by different lowercase letters, differed significantly based on χ2 analysis (p < 0.05).