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A study of biases in dairy sire evaluation : a thesis presented in partial fulfilment of the requirements for the degree of Master of Agricultural Science in Animal Science at Massey University
(Massey University, 1974)
A total of 8,684 first-lactation records produced in the region in the dairying seasons 1966-67 to 1972-1973, inclusive were assembled. Based on weighted and unweighted intra-sire regressions of progeny performance (deviation ...