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stammen af van gevaccineerde en geregeld gehervaccineerde moederdieren, of
descend from vaccinated and regularly re-vaccinated dams, or
最后更新: 2014-11-15
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toekomstige leg- en fokdieren dienen 4-6 weken na de eerste vaccinatie gehervaccineerd te worden.
future laying hens and breeders should get a second vaccination 4-6 weeks after first vaccination
最后更新: 2017-04-26
使用频率: 6
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