Show A why creamery tests f vary fc yari variation atholl in i 11 tests has asis caused much dl dimbat i iff action in ill tile tho sel bel ling of cream eret when the cream i is from frolli tile the some somo cj cows Y which have b been cen fed the samo same ration and milked by y tile sanie same nian man and W when lien the same saine separator is u used sod I 1 tile tho farmer naturally thinks tile the por per cent of fat io in the cream cleab remain romain the Ahe sanio same i errors error s are often made in ill f making tests especially in in taking 11 ll the simple sain PIC but variations conr occur th thab it are aio due f to 0 other ct causes tile alie most corn com of these variations ea is as pointed out i in n a recent lecent birc ular by pi of C 11 eckles of tile missouri agricultural ex 1 pediment peri ment station tire are as follows folloN vs 1 val in ill tile the speed of tile the I 1 tj separator mal ator 2 variation itar in temperature of f the milk separ separator atod 3 rate at winch which tile the milk f flows flow into too the machine 4 amount of water or skim skill milk used in hushing flushing out the bowl 5 change in iii the richner rich nes of the milk separated 6 OAd t of ahe cr cream screw change chan ge in tho p q ed d jjr tile flip separator is die th e most com coin ka of palliation vari ValliA tiOn T the I 1 ae greater tho dio speed d of tile the separator 1 it tar the ole smaller the aino amount tint 0 0 pream and aid the hidur highie tile the per pei cent of fat again the pompei temperature of the milk i ii i I 1 separated se P a rated varies on oil the farni from d ay T t to 0 day lf if pi ebin tests 30 por per cent whon when the milk iss ij separated eted at 90 degrees it ni may ay t test est i as high aih 9 as 40 por per cent separated tit at 70 degrees decrees TJ under n 1 cr average tive rare 0 conditions on oil tile the farm low however ever tile the variation in fat one due t to 0 change of temperature will not amount to more in ore than 3 or 4 pe per r cc cent A third cause of variation i is s found in ill the t ie rate at ai which the milk ilk no tile the machine machina if loss less than the regular quantity flows into tile the bowl the tendency ten dancy is to nerease increase i the per cent of f fat tit in the ellea cream iii the richness of the wilk milk separated soph seph the rich ric h n nob os to but not ane quantity of c creciun v e a ni the richness of it a cows milk depends on oil inheritance and can not be changed permanently by feed 1 small variations aro are lively likely to occur from the other causes suggested s 11 13 prof E eckles by t be use of an ordinary babcock testing machine achito in and by meas tiring tile the test bottle with the sanie same p pipette ilette us as is used for measuring inea suring milk any farmer can make tn abc a test of his cheam that aliat will him is to t the he accuracy of the test li bo b receives receives rec elves fro from tho bruam buyer deseret 1 l farmer le r y i |