| 发明名称 |
METHOD OF VARYING THE SEX RATIO OF A PROGENY IN DUCKS |
| 摘要 |
A method of varying the sex ratio of a progeny in ducks involves selection of incubation eggs according to mass thereof, calibration of the eggs into the classes ??-, ?? DEGREE (modal) and ??+ is carried out. To obtain the progeny with the predominance of females, incubation of eggs of the ?? DEGREE class is carried out.
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| 申请公布号 |
UA9294(U) |
申请公布日期 |
2005.09.15 |
| 申请号 |
UA20050002287U |
申请日期 |
2005.03.14 |
| 申请人 |
KHERSON STATE AGRARIAN UNIVERSITY |
发明人 |
KOVALENKO VITALII PETROVYCH;PATREVA LIUDMYLA SEMENIVNA |
| 分类号 |
A01K43/00;(IPC1-7):A01K43/00 |
主分类号 |
A01K43/00 |
| 代理机构 |
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