Preventing and controlling internal parasites of hogs /
| Corporate Author: | |
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| Format: | Government Document Book |
| Language: | English |
| Edition: | [Rev. Dec. 1977.]. |
| Series: | Farmers' bulletin (United States. Department of Agriculture) ;
no. 2240. |
| Subjects: |
| Physical Description: | 36 pages : illustrations ; 24 cm. |
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