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Changes in Salmonella enteritidis contamination in two layer lines vaccinated during the rearing period |
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| Authors: | Protais J Nagard B Boscher E Queguiner S Beaumont C Salvat G |
| Institution: | AFSSA, site de Ploufragan, BP 53, 22440 Ploufragan, France. |
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| 本文献已被 PubMed 等数据库收录！ | |