The Efficacy of Three Commercial Mycoplasma gallisepticum Vaccines in Laying Hens

Autor: Ferguson-Noel, N., Cookson, K., Laibinis, V. A., Kleven, S. H.
Zdroj: Avian Diseases, 2012 Jun 01. 56(2), 272-275.
Databáze: JSTOR Journals