Φορτώνει......
Epidemiology of Haemophilus pleuropneumoniae infection in pigs: a survey of Ontario Pork Producers, 1981.
Information about factors associated with the spread and the effect of pleuropneumonia was obtained from 418 pork producers in Ontario, who returned a mailed questionnaire. The overall herd prevalence of pleuropneumonia was 23.2%. The prevalence among herds with feeder pigs only was 34.3% and 16% am...
Αποθηκεύτηκε σε:
| Κύριοι συγγραφείς: | , |
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| Μορφή: | Artigo |
| Γλώσσα: | Inglês |
| Έκδοση: |
1983
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| Θέματα: | |
| Διαθέσιμο Online: | https://ncbi.nlm.nih.gov/pmc/articles/PMC1235874/ https://ncbi.nlm.nih.gov/pubmed/6831302 |
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