Preparation and use of an autogenous bac
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M. Mouahid; K. Bouzoubaa; Z. Zouagui
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Article
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1991
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Springer Netherlands
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English
โ 387 KB
An experiment was conducted to determine the efficacy of an autogenous bacterin against infectious coryza from a local strain of Haemophilus paragallinarum in Morocco compared with a commercial vaccine. Hens were vaccinated with a single dose or two doses of the bacterin at 15 and 18 weeks of age. B