Usui, S.Koketsu, Y.2013-06-252013-06-252012-09-15https://hdl.handle.net/11299/151745en-USswinepigherd healthEFFECT OF INCREASED NUMBER OF PIGS WEANED FROM PIGS BORN ALIVE OF PARITY 1 SOWS ON SUBSEQUENT REPRODUCTIVE PERFORMANCE IN JAPANESE COMMERCIAL BREEDING HERDSConference Paper