Estimating milk production and energy-use efficiency of pasture-grazed Holstein and Jersey cows using mathematical models. - Bangani, N. M.; Muller, C. J. C.; Dzama, K.; Cruywagen, C. W. C.; Chokuda, F. V. Nherera; Imbayarwo-Chikosi, V. E. (South African Journal of Animal Science, 2023)