FIELD: agriculture. SUBSTANCE: method involves weighing of birds as their age is 3-7 days and culling of all birds whose liveweight is less than average. As a result, at the age of four weeks the increase in liveweight varies from 32 to 82 g in different lines. EFFECT: earlier evaluation and selection for rate of growth. 3 tbl
Title | Year | Author | Number |
---|---|---|---|
METHOD OF SELECTION OF BREEDING ROOSTERS OF BREEDING HERD | 2012 |
|
RU2504151C2 |
METHOD FOR SELECTION IN BREEDING MEAT COCKS | 2002 |
|
RU2236126C2 |
METHOD OF EARLY ASSESSMENT OF LAYING HENS IN BREEDING | 2012 |
|
RU2507739C1 |
METHOD FOR SELECTING PEDIGREE MEAT-TYPE COCKS | 2001 |
|
RU2226052C2 |
METHOD FOR ESTIMATING SEXUAL MATURITY AGE OF GROUP-HOUSED MEAT POULTRY | 1997 |
|
RU2125794C1 |
METHOD OF MEAT-TYPE CHICKEN PARENT FLOCK GATHERING | 2009 |
|
RU2390995C1 |
METHOD OF SELECTING AUTOSEXING MEAT CHICKENS BY SEX | 2007 |
|
RU2347362C1 |
METHOD FOR SELECTION OF MEAT-TYPE CHICKEN YOUNG STOCK IN CASE OF MASS SELECTION | 2009 |
|
RU2409941C1 |
METHOD OF EGG CROSSING BREEDER MAINTENANCE | 2007 |
|
RU2349083C1 |
METHOD FOR SELECTING BREEDING MEAT HENS | 1998 |
|
RU2131667C1 |
Authors
Dates
1995-12-27—Published
1993-12-22—Filed