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Infectious Bronchitis Vaccination Protocols for Laying Hens

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Academic year: 2018

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Tabel 1. Means of hen day egg production and egg qualities at 20-56 weeks of laying hens treated by initial vaccination
Table 2. Hen day production and egg qualities of laying hensdue to revaccinated regularly or not revaccinated dur-ing lay
Tabel 3. IB antiboby titres in 4-16 weeks of age of hens treatedwith initial vaccination

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Infectious Bronchitis Vaccination Protocols for Laying Hens

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