The objective of this study was to analyze the relationships between previously estimated individual growth curve parameters (mature weight and maturing rate) and measures of productive efficiency of 333 Holstein-Friesian cows, born from 1992 to 2002. Data on age at first calving, first lactation milk yield, first lactation length, first calving interval and milk yield per day of first calving interval were analyzed using a generalized linear model with the fixed effect for age group (year-season of birth), the random […]