00522     2200169   4500001002100000005001500021008004100036035001900077041000700096082002000103090002000123100002400143245008100167260004400248300002400292650003600316INLIS00000000000297020210519133505210519|||||||||   |   |||   |||| ||   |   0010-0521002970  aen0 a636.2.034/ECK/d  a636.2.034/ECK/d0 aEckles, Clarence H.00aDairy farming: a self teaching course based dairy cattle and milk production  aWashingtonbThe Macmillan Companyc1939  aill., 329 p.; 21 cm 0aDAIRY CATTLE -- MILK PRODUCTION