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...
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| Principais autores: | , , , , , , , |
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| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado: |
Fundação de Apoio à Ciência e Tecnologia Animal
2014-06-01
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| Series: | Brazilian Journal of Poultry Science |
| Assuntos: | |
| Acceso en liña: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2014000200015&lng=en&tlng=en |
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