Department of Animal Science;
Faculty of Veterinary;
Kabul University;
Kabul;
Afghanistan;
Department of Animal Science;
Faculty of Agriculture;
Shahid Bahonar University of Kerman;
Kerman;
Iran;
Faculty of Veterinary;
Ferdowsi University of Mashhad;
Mashhad;
Iran;
Department of Clinic;
Faculty of Veterinary;
Kabul University;
Kabul;
Afghanistan;
Genetic; Parameters; Random; Regression; Model; Test-Day; Records; Milk; Yield; Holstein; Cows;