Eggshell apex abnormalities in a free-range hen farm with mycoplasma synoviae and infectious bronchitis virus in Rio de Janeiro state, Brazil

Eggshell apex abnormalities in a free-range hen farm with mycoplasma synoviae and infectious bronchitis virus in Rio de Janeiro state, Brazil

A farm with 3,000 free-range hens between 24 and 65 weeks of age was investigated. These hens were separated in small flocks of 400 to 700 birds, presenting 10 to 23% egg production reduction. Twenty serum samples were collected during the period of drop in egg production and three weeks later for t...

Full description

Bibliographic Details
Main Authors: FC dos Santos, MDM Brandão, CC da Silva, LS Machado, MV Soares, ML Barreto, ER do Nascimento, VLA Pereira
Format: Article
Language:English
Published: Fundação APINCO de Ciência e Tecnologia Avícolas 2014-06-01
Series:Brazilian Journal of Poultry Science
Subjects:
Eggs
mycoplasm
egg defects
egg abnormality
economic loss
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2014000200015&lng=en&tlng=en

Similar Items

Similar Items