TY  - RPRT
TI  - Calving ease (Co)variance components for a sire-maternal grandsire threshold model.
AU  - G R Wiggans
AU  - I Misztal
AU  - C P Van Tassell
PY  - 2003
DO  - 10.3168/jds.s0022-0302(03)73771-0
UR  - https://pubmed.ncbi.nlm.nih.gov/12778596/
ID  - 12778596
ER  -