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Heterosis and Percent Improvement in Survivability, Reproduction and Production Performance of Various Genetic Groups of Temperate x Zebu Crosses in Tropics
Asian-Australasian Journal of Animal Sciences
A study was conducted on 2102 records of 808 crossbred cows of various genetic groups maintained under "All India Coordinated Research Project on Cattle" at C C S Haryana Agricultural University, Hisar, over 25 years period with an objective to assess and compare the amount of percent improvement and heterotic effect for different performance traits in various genetic groups produced under this programme. Survivability sharply and significantly declined from 1/2 to 3/4 th bred and further fromdoi:10.5713/ajas.2003.794 fatcat:fej6ndeagbauzai7bqhqzr4v5i