TY  - RPRT
TI  - Factors affecting sow farrowing interval.
AU  - N W Moody
AU  - V C Speer
PY  - 1971
DO  - 10.2527/jas1971.323510x
UR  - https://pubmed.ncbi.nlm.nih.gov/5547976/
ID  - 5547976
ER  -