其他書名 | The consistent performance of sires and dams in different years. The number of daughters necessary to test a sire or dam. The relation of duration of life in parents to viability of daughters. Viability among adult fowls in relation to viability previous to the age of sexual maturity. Part I.. Part II.. Part III.. Part IV. |
出版 | Cornell Univ., 1943 |
URL | http://books.google.com.hk/books?id=mG5CAAAAYAAJ&hl=&source=gbs_api |