A. P. Mavrogenis MAVROGENIS, A. P., DILLARD, E. U., & ROBISON, O. W. (1978). GENETIC-ANALYSIS OF POST-WEANING PERFORMANCE OF HEREFORD BULLS. JOURNAL OF ANIMAL SCIENCE, 47(5), 1004–1013. https://doi.org/10.2527/jas1978.4751004x MAVROGENIS, A. P., & ROBISON, O. W. (1976). FACTORS AFFECTING PUBERTY IN SWINE. JOURNAL OF ANIMAL SCIENCE, 42(5), 1251–1255. https://doi.org/10.2527/jas1976.4251251x