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Incidence of mastitis and bacterial findings at clinical mastitis in Swedish primiparous cows- influence of breed and stage of lactation |
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| Authors: | Persson Waller Karin Bengtsson Björn Lindberg Ann Nyman Ann Ericsson Unnerstad Helle |
| Institution: | National Veterinary Institute, SE-751 89 Uppsala, Sweden. Karin.Persson-Waller@sva.se |
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| 本文献已被 PubMed 等数据库收录！ | |