Milk yield

Multivariate analysis of test-day and total milk yield in goats

N. Irano, Bignardi, A. B., Baldi, F., Santana, Jr, M. L., Teixeira, I. A. M. A., Tonhati, H., and Albuquerque, L. G., Multivariate analysis of test-day and total milk yield in goats, vol. 14, pp. 13719-13727, 2015.

The objective of this study was to estimate genetic parameters for 305-day cumulative milk yield (MY305) and its association with test-day milk yield (TDMY) in Saanen and Alpine goats in order to provide information that allows the use of TDMY as selection criteria. This was done using standard multi-trait and reduced rank models. Data from 1157 lactations, including the first three kiddings, and 5435 test-day records from 683 Saanen and 449 Alpine goats were used.

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