FIELD: agriculture.
SUBSTANCE: method includes daily evaluation of egg-laying qualities during 60 weeks of life. One introduces a new indicator which is the number of chickens having changed wing pen-feathers at an age of 47-48 weeks. In the selection process one employs chickens whose mothers have changed 6 or more feathers during the period specified.
EFFECT: method ensures a high level of livestock egg-laying properties.
2 tbl, 1 ex
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD OF MEAT-TYPE CHICKEN SELECTION OUT OF BREEDING POULTRY STOCK | 2008 |
|
RU2370030C1 |
| METHOD OF SELECTION OF MEAT-TYPE CHICKEN OF SELECTION STOCK ACCORDING TO EGG PRODUCTION CAPACITY | 2007 |
|
RU2337540C1 |
| LAYING HEN SELECTING METHOD | 2000 |
|
RU2185056C2 |
| METHOD FOR CHOOSING YOUNG MEAT CHICKEN HEN FOR SELECTION | 1994 |
|
RU2057439C1 |
| METHOD FOR SELECTION OF FEMALE QUAILS BY EGG WEIGHT | 2009 |
|
RU2402209C1 |
| METHOD FOR SELECTING MEAT HENS OF SELECTION STOCK | 2002 |
|
RU2239314C2 |
| METHOD FOR SELECTING MEAT COCKS OF SELECTED FLOCK | 1997 |
|
RU2123258C1 |
| METHOD FOR SELECTING HENS UPON MOLTING | 1999 |
|
RU2150197C1 |
| METHOD FOR SELECTING BREEDING MEAT HENS | 1998 |
|
RU2131667C1 |
| METHOD FOR SELECTION OF POULTRY MEAT DIRECTION OF PRODUCTIVITY | 2018 |
|
RU2716083C1 |
