00000nam 2200000za 4500 9.805071 CaOODSP 20250303104652 cr ||||||||||| 150406s1939 xxcae|||o f000 0 eng d CaOODSP eng n-cn--- A13-1/129-1939E-PDF Rothwell, G. B. The self feeder for hogs [electronic resource] : feeding more hogs usually means more labour -- the self-feeding system allows for increased production with decreased effort / G.B. Rothwell. Revised / by Edward B. Fraser. Ottawa : Dominion of Canada, Department of Agriculture, 1939. 7 p. : ill. Circular ; 129 "Publication 601, Issued August 1939, Reprint" On cover: Animal Husbandry Division, Experimental Farms Service. Issued also in French under title: Le nourrisseur automatique. Historical publication digitized in 2012 by Agriculture and Agri-Food Canada. gccst Hogs gccst Agricultural technology gccst Animal husbandry Fraser, E. B. (Edward B.) Canada. Department of Agriculture. Canada. Experimental Farms Service. Le nourrisseur automatique (CaOODSP)9.805114 Circular (Canada. Dept. of Agriculture) 129 (CaOODSP)9.507877 http://publications.gc.ca PDF 749 KB https://publications.gc.ca/collections/collection_2015/aac-aafc/agrhist/A13-1-129-1939-eng.pdf Publication 601