Φορτώνει......
On the Persistence of Infective Ostertagia ostertagi, Cooperia oncophora and Nematodirus helvetianus on Pastures
By grazing parasite-free susceptible calves on naturally infected paddocks for eighteen day periods, Nematodirus helvetianus was shown to survive over two winters on marshland pastures under Maritime climatic conditions in three successive years although the numbers surviving the second winter in tw...
Αποθηκεύτηκε σε:
| Κύριος συγγραφέας: | |
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| Μορφή: | Artigo |
| Γλώσσα: | Inglês |
| Έκδοση: |
1972
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| Θέματα: | |
| Διαθέσιμο Online: | https://ncbi.nlm.nih.gov/pmc/articles/PMC1319695/ https://ncbi.nlm.nih.gov/pubmed/4263911 |
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