A generalized linear finite mixture model and an expectation-maximization algorithm to fit the model to monthly somatic cell count data are discussed. The proposed algorithm can be readily implemented in available animal breeding packages. This model accounts for non- genetic effects affecting somatic cell counts differently in healthy and in infected cows.

Johann C Detilleux, Pascale Le Roy

Proceedings of the World Congress on Genetics Applied to Livestock Production, Volume 25: Lactation; growth and efficiency; meat quality; role of exotic breeds in the tropics; design of village breeding programs; n, , 67–70, 1998
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