TY  - RPRT
TI  - Proceedings: Herd mating activity in cattle.
AU  - P E Mattner
AU  - J M George
AU  - A W Braden
PY  - 1974
DO  - 10.1530/jrf.0.0360454
UR  - https://pubmed.ncbi.nlm.nih.gov/4856453/
ID  - 4856453
ER  -