FIELD: agriculture, poultry.
SUBSTANCE: the method deals with evaluating egg yield, egg's weight, shape index and double-yoked eggs laid by each hen before 30-wk-aged period to reject hens laying more than two double-yoked eggs. This method enables to exclude hens of lower values on egg yield and output of hatchable eggs out of selection process.
EFFECT: higher efficiency of selection.
1 ex, 2 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD OF MEAT-TYPE CHICKEN SELECTION OUT OF BREEDING POULTRY STOCK | 2008 |
|
RU2370030C1 |
| METHOD FOR SELECTING BREEDING MEAT HENS | 1998 |
|
RU2131667C1 |
| METHOD OF SELECTION OF MEAT-TYPE CHICKEN OF SELECTION STOCK ACCORDING TO EGG PRODUCTION CAPACITY | 2007 |
|
RU2337540C1 |
| METHOD FOR CHOOSING YOUNG MEAT CHICKEN HEN FOR SELECTION | 1994 |
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RU2057439C1 |
| METHOD FOR SELECTION OF POULTRY MEAT DIRECTION OF PRODUCTIVITY | 2018 |
|
RU2716083C1 |
| METHOD FOR SELECTION OF MEAT-TYPE CHICKENS FROM AMONG SELECTION FLOCK FOR EGG-LAYING QUALITIES ENHANCEMENT | 2009 |
|
RU2409944C1 |
| METHOD FOR EARLY FORECASTING OF HEN EGG-LAYING CAPACITY | 1998 |
|
RU2152715C1 |
| METHOD FOR SELECTING MEAT COCKS OF SELECTED FLOCK | 1997 |
|
RU2123258C1 |
| METHOD FOR SELECTING OF MALE BIRDS FROM BREEDING FLOCK IN GROUP KEEPING | 2006 |
|
RU2305401C1 |
| METHOD FOR GROWING REARING STOCK FOR PARENTAL CHICKEN FLOCK | 2011 |
|
RU2495588C2 |
