00305nam a2200109Ia 450000500170000000800410001705000210005810000200007924500560009925000080015526000320016320251229125307.0251229s9999    xx            000 0 und d  aSF 239 .H46 1938  aHenderson, H.O. 0aDairy cattle feeding and management cH.O Henderson  a3rd  aNew Yorkb John Wileyc1938