Calculation of lifetime net income per year (LTNI/year) of Australian Holstein cows to validate the Australian profit ranking of their sires. 2. Validation of the Australian profit ranking of sires and test for genotype by environment interaction based on LTNI/year

摘要

A Biosciences Research Division, Department of Primary Industries, La Trobe R&D Park, 1 Park Drive, Bundoora, Vic. 3083, Australia. nB Department of Agriculture and Food Systems, The University of Melbourne, Vic. 3010, Australia. nC Corresponding author. Email: mekonnen.hailemariam@dpi.vic.gov.au