Assessment of maternal immunity against Salmonella enterica serovar Heidelberg in progeny of broiler breeders vaccinated with different formulations of bacterins.

Mailson da Silva Teixeira Dayse Helena Lages Victória Veiga Alves Nelson Rodrigo da Silva Martins Oliveiro Caetano de Freitas Neto

Published in: Avian pathology : journal of the W.V.P.A (2022)

RESEARCH HIGHLIGHTSProgeny from vaccinated 30-week-old breeders presented less SH in caecal content compared to the control.High titres of maternal anti- Salmonella IgY could be associated with lower SH faecal shedding.

Keyphrases

birth weight
pregnancy outcomes
listeria monocytogenes
escherichia coli
randomized controlled trial
gestational age
physical activity
body mass index
study protocol