Challenge exposure of sheep immunized with live vaccine and culture supernatant of Mannheimia haemolytica A1: Effects of revaccination
| Autor: | Jaramillo-Meza, Laura, Aguilar-Romero, Francisco, Suárez-Güemes, Francisco, Trigo-Tavera, Francisco |
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| Zdroj: | In Small Ruminant Research 2007 70(2):209-217 |
| Databáze: | ScienceDirect |
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