The traditional mating procedures for cattle breeding in Bhutan are much more advanced than in most other developing countries. For at least a century there has been a systematic crossbreeding and backcrossing system designed to supply efficien t milking animals for migratory herds and draught animals for the cultivation of grain crops. Recognizing the importance of this breeding system and the contribution to it by the native breed, the S iri, the Government has forbidden crossbreeding in the western part of the country where there is a concentration of high quality S iri herds. Also the Government has established a constructive Livestock Act which calls for using only superior breeding bulls and for maintaining effective upgrading in the crossbreeding sector by introducing Jersey genes. This is to achieve a much higher level of milk production and at the same time maintain a high total solids content of the milk, which, in the crossbreeding tradition, is among the highest in the world.
Proceedings of the World Congress on Genetics Applied to Livestock Production, Volume 8. Symposia (2), , 148–153, 1982
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