Institution: | Iowa State University |
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Department: | |
Year: | 1971 |
Keywords: | Cattle – Breeding; Cattle – Reproduction; Animal breeding; Agriculture; Animal Sciences |
Record ID: | 1488715 |
Full text PDF: | http://lib.dr.iastate.edu/rtd/4452 http://lib.dr.iastate.edu/cgi/viewcontent.cgi?article=5451&context=rtd |