TY - GEN AU - Cook,B R AU - Tess,M W AU - Kress,D D TI - Effects of selection strategies using heifer pelvic area and sire birth weight expected progeny difference on dystocia in first-calf heifers SN - 0021-8812 PY - 1993///0506 KW - Analysis of Variance KW - Animals KW - Birth Weight KW - genetics KW - Breeding KW - Cattle KW - Cattle Diseases KW - epidemiology KW - Computer Simulation KW - Dystocia KW - Female KW - Incidence KW - Least-Squares Analysis KW - Male KW - Models, Biological KW - Pelvis KW - anatomy & histology KW - Pregnancy KW - Sex Factors N1 - Publication Type: Journal Article UR - https://doi.org/10.2527/1993.713602x ER -