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Phenotypic and genetic characteristics of Pleven Blackhead sheep. II. Phenotypic correlations among principal production characters



Phenotypic and genetic characteristics of Pleven Blackhead sheep. II. Phenotypic correlations among principal production characters



Genetika i Selektsiya 8(3): 215-223



For 67, 102, 216 and 257 Pleven Blackhead ewes lambing in 1966, 1967, 1968 and 1969 resp., the correlation of body weight at the 1st lambing at 18 mth of age with milk production was -0.14, -0.04 (both non-significant), 0.19 (P<0.01) and 0.22 (P<0.001). Correlations of body weight at the 1st lambing at 30 mth of age with milk production and correlations of body weight at the 2nd lambing at 31/2 yr of age with milk production were non-significant.

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