Abstract

Approach to animal breeding work in tropics has been discussed. The breeding parameters published pertain to the defined breeds and that no information on the non-descript cows is available. There is thus an urgent need to .estimate breeding parameters from non-descript cows and define the farming systems under which they perform. Breeding objectives have been listed and results of various experiments discussed. Genetic gains in most single herds were negative or non-significant. Multiherd co-operative progeny testing programme has been suggested as an alternative. Comparisons among breed groups have been made on the basis of individual lactation traits. The need to use all important economic traits togather to study the overall merit of different genotypes in a given production system has been suggested.
 

V. K Taneja

Proceedings of the World Congress on Genetics Applied to Livestock Production, Volume XIV. Dairy cattle genetics and breeding, adaptation and conservation., , 365–368, 1990
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