| 000 | 00394 am a2200121 a 4500 | ||
|---|---|---|---|
| 100 | 1 | _aHetzer, H.O., Lambert, W.V., Zeller, J.H. | |
| 245 | 1 | _aInfluence of inbreeding and others factor on litter size in chester white swine | |
| 260 |
_aWashington _c1940 |
||
| 300 | _a1-10 p. | ||
| 942 |
_2udc _cB |
||
| 440 | _aSwine United States Department of Agriculture. Circular No. 570 | ||
| 901 | _aS48406 | ||
| 999 |
_c104408 _d104408 |
||