@article{paperid:1022361, author = {Elahi Torshizi, Mahdi and Aslaminejad, Ali Asghar and Nassiri, Mohammadreza and H. Farhangfar}, title = {Comparison and evaluation of mathematical lactation curve functions of Iranian primiparous Holsteins}, journal = {South African Journal of Animal Science}, year = {2011}, volume = {41}, number = {2}, month = {May}, issn = {0375-1589}, pages = {104--115}, numpages = {11}, keywords = {Daily milk yield; goodness of fit; lactation; model comparison}, }