Performance, serologic and tracheal responses of laying hens exposed to F strain of Mycoplasma gallisepticum
ABSTRACT: The F strain of Mycoplasma gallisepticum (MG-F) protects chickens against mycoplasma infections, in which monitoring is made by serology and histopathology of trachea. This trial used 90 chickens, being 30 unvaccinated (G1 group), 30 eye-drop vaccinated at 8 weeks of age with MG-F (Ceva An...
Main Authors: | , , , , , , , |
---|---|
Format: | Article |
Language: | English |
Published: |
Instituto Biológico
2018-01-01
|
Series: | Arquivos do Instituto Biológico |
Subjects: | |
Online Access: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1808-16572017000100218&lng=en&tlng=en |