FIELD: agriculture.
SUBSTANCE: method involves evaluation of birds in terms of figure, feathering condition and evidence of secondary sexual characteristics. Selection of chickens is performed by live weight at an age of 18 weeks, one selecting specimens whose live weight is equal to M, M±0,5δ, where M is the average live weight of a bird within the flock, δ is mean-square deviation.
EFFECT: simple method enabling maintenance of the attained productivity level and selection efficiency enhancement.
2 tbl, 1 ex
| Title | Year | Author | Number |
|---|---|---|---|
| LAYING HEN SELECTING METHOD | 2000 |
|
RU2185056C2 |
| METHOD FOR CHOOSING YOUNG MEAT CHICKEN HEN FOR SELECTION | 1994 |
|
RU2057439C1 |
| METHOD OF SELECTING PULLETS OF EGG LAYERS FOR SELECTION | 0 |
|
SU1376998A1 |
| METHOD OF EARLY ASSESSMENT OF LAYING HENS IN BREEDING | 2012 |
|
RU2507739C1 |
| METHOD FOR SELECTION OF POULTRY MEAT DIRECTION OF PRODUCTIVITY | 2018 |
|
RU2716083C1 |
| METHOD FOR EARLY PREDICTION OF EGG PRODUCTIVITY IN HENS | 2016 |
|
RU2617302C1 |
| METHOD OF SELECTION OF MEAT-TYPE CHICKEN OF SELECTION STOCK ACCORDING TO EGG PRODUCTION CAPACITY | 2007 |
|
RU2337540C1 |
| METHOD FOR EARLY FORECASTING OF HEN EGG-LAYING CAPACITY | 1998 |
|
RU2152715C1 |
| METHOD OF SELECTION OF MEAT CHICKS | 2016 |
|
RU2629230C1 |
| METHOD OF MEAT-TYPE CHICKEN SELECTION OUT OF BREEDING POULTRY STOCK | 2008 |
|
RU2370030C1 |
