Show K MINERAL MIXTURE l I NEEDED BY SWINE I Pigs rigs self fed i a balanced grain 1 ration ra- ra ra ration tion while running on blue grass pas PM- pasture pas pas- pasture raI I ture developed weak bones In a feed teed feeding feeding ing test at the Ohio experiment sta station tion ion Tills This Is contrary to popular sup up supposition supposition position for tor It Is known that green gro growing grass and forage crops In Inmost inmost Inmost most cases analyze rather high to 10 minerals The ration used In the time experiment was balanced from rein corn wheat mid mid- linseed meal and salt snIt This mixture was low In to lime and other minerals After Atter pigs in dry lot were fed this mixture for days theIr thigh bones showed shO a breaking strength of only pounds I IThe The bones of pigs pig's on pasture tor tho same time and receiving the same ra- ra ration ration ra ration tion showed more than double the breaking strength or pounds However the greater grenter strength was due primarily to the lar larger er size ot of the bones of ot time the pl pigs s as they grew rew much faster on pasture than those In Inthe inthe Inthe the dry lotA lot lotA A third lot of ot pigs even though fed the same ration In the dry lot but with 2 per cent of ot ground lime lime- limestone limestone limestone stone added made splendid gro growth th 1 and developed wonderfully strong bones The breaking breaking strength was I 11 1122 2 pounds 21 per cent greater than that of ot pigs under onder Identical con con- conditions conditions conditions I and feed but without lime lime- limestone limestone stone I Jud Judged ed by appearances the skeletal frame of ot the pasture pigs was strong I enough to meet ordinary conditions but when the pigs were slaughtered I and suspended from gambrel sticks the thigh bones of three of ot the sev sev- seven sev- sev seven seven en pasture pigs snapped under the weIght of ot their carcasses The abundant strength of ot bone Is producEd by balancing the ration with feeds high In minerals such as tank tank- age ago or fish meal or by adding min mIn- mInerals minerals as In lot 3 In this test A min mineral era eral mixture which has bas given good results at the Ohio experiment sta sta- station station station tion Is two parts limestone two ports parts bone mea meal and one part salt sail |