Comprehensive assessment and selection criteria of replacement heifers for herd creation
          
      
    
      
    
                        
          
    
  
      
  
    
                
            Abstract
            As a result of researches criteria for selecting replacement heifers for creation of breeding herds owned by RUE «Scientific and Practical Center of the National Academy of Sciences of Belarus on Animal Husbandry» were developed. In accordance with the genealogical structure of maternal stock of the breeding age of SE «ZhodinoAgroPlemElita» plans pf prenatal individual selection were developed. The evaluation and selection of heifers for breeding nucleus is carried out: on the genotype (at birth) - 323 animals, on the integrated index of breeding values at age of 6 months - 246 animals and 12 months of age - 135 animals. Breeding defect material at the age of 6 months made 0,8 %, in the age of 12 months - 0,7 %.
         
              
        
                        		
                     
    
      
                  About the Authors
              
               
             M. A. Dashkevich
         
        
                        RUE "Scientific and Practical Center of the National Academy of Sciences of Belarus on Animal Husbandry"
        
Russian Federation
    
				    
    
    
             
             I. N. Koronets
         
        
                        RUE "Scientific and Practical Center of the National Academy of Sciences of Belarus on Animal Husbandry"
        
Russian Federation
    
				    
    
    
             
             N. V. Klymets
         
        
                        RUE "Scientific and Practical Center of the National Academy of Sciences of Belarus on Animal Husbandry"
        
Russian Federation
    
				    
    
    
             
             N. V. Antonovich
         
        
                        RUE "Scientific and Practical Center of the National Academy of Sciences of Belarus on Animal Husbandry"
        
Russian Federation
    
				    
    
    
             
             V. K. Veta
         
        
                        RUE "Scientific and Practical Center of the National Academy of Sciences of Belarus on Animal Husbandry"
        
Russian Federation
    
				    
    
    
             
             M. N. Sidunova
         
        
                        RUE "Scientific and Practical Center of the National Academy of Sciences of Belarus on Animal Husbandry"
        
Russian Federation
    
				    
    
    
             
             N. M. Krasovskaya
         
        
                        RUE "Scientific and Practical Center of the National Academy of Sciences of Belarus on Animal Husbandry"
        
Russian Federation
    
				    
    
    
          
     
        
        References
        
          
                                                   
               
              1. Прохоренко, П. Н. Современные методы генетики и селекции в животноводстве / П. Н. Прохоренко // Материалы международной научной конференции. - Санкт-Петербург, 2007. - С. 3-5.
                                         
               
              2. Завертяев, Б. П. Тенденция развития методов оценки генотипа животных в молочном скотоводстве / Б. П. Завертяев // Материалы международной научной конференции. - Санкт-Петербург, 2007. - С. 50-54.
                                         
               
              3. Зоотехнические правила по определению племенной ценности животных : утв. постановлением М-ва сельского хозяйства и продовольствия Республики Беларусь 30 нояб. 2006 г., № 81. - Ввод. в действие 30.11.2006. - Мн., 2006. - 36 с.
                                                  
           
          
         
        
  
     
    
    
    
    
 
    
      For citations:
                                    Dashkevich M.A., 
                                Koronets I.N., 
                                Klymets N.V., 
                                Antonovich N.V., 
                                Veta V.K., 
                                Sidunova M.N., 
                                Krasovskaya N.M.
                                              Comprehensive assessment and selection criteria of replacement heifers for herd creation.      Zootechnical Science of Belarus.            2012;47(1):64-73.  
                                                                                                      (In Russ.)
                                          
                                                          
    
  
  
  
  
    
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