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- [6] Genotype by environment interaction and genetic correlations among parities for somatic cell count and milk yield. Banos G,G E Shook. Journal of Dairy Science . 1990
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- [9] Genetic parameters for clinical mastitis, Somatic cell counts, and milk production estimated by multiple- trait restricted maximum likelihood. Emanuelson U B,Danell,J Philipsson. Journal of Dairy Science . 1988