TY - GEN AU - Thompson,J R AU - Freeman,A E AU - Berger,P J TI - Age of dam and maternal effects for dystocia in Holsteins SN - 0022-0302 PY - 1982///0120 KW - Age Factors KW - Animals KW - Cattle KW - Cattle Diseases KW - genetics KW - Dystocia KW - Female KW - Pregnancy N1 - Publication Type: Journal Article; Research Support, Non-U.S. Gov't UR - https://doi.org/10.3168/jds.S0022-0302(81)82732-4 ER -