FIELD: agriculture.
SUBSTANCE: 112-113 days old birds are placed in individual cages and held there up to 160 days. Then, for the next 5 days, egg weight is recorded daily. Hens, which demonstrate egg weight gain by 1-5 gramms, are selected.
EFFECT: provides for selection of the most productive hens.
1 tbl, 1 ex
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD OF EARLY SELECTION OF CHICKENS ON EGG PRODUCTIVITY | 2017 |
|
RU2672615C1 |
| METHOD FOR EARLY SELECTION OF LAYING HENS | 2021 |
|
RU2761354C1 |
| METHOD FOR PREDICTING THE EGG PRODUCTIVITY IN HENS | 2017 |
|
RU2648149C1 |
| METHOD FOR EARLY FORECASTING OF HEN EGG-LAYING CAPACITY | 1998 |
|
RU2152715C1 |
| METHOD FOR LAYING HENS SELECTION | 2007 |
|
RU2356221C1 |
| METHOD FOR ASSESSING THE EGG PRODUCTION OF CHICKENS | 2022 |
|
RU2792119C1 |
| METHOD FOR EARLY PREDICTION OF EGG PRODUCTION OF QUAILS | 2019 |
|
RU2730585C1 |
| METHOD FOR EARLY ASSESSMENT OF EGG PRODUCTIVITY OF CHICKENS | 2022 |
|
RU2783892C1 |
| METHOD FOR KEEPING PARENTAL STOCK OF QUAILS | 2021 |
|
RU2761463C1 |
| METHOD FOR BREEDING EGG CROSSES OF CHICKENS | 2021 |
|
RU2760936C1 |
