Show flA I PAl 3 I ABORTING COWS POOR PRODUCERS i Reduction Expected From One to Three-Fourths Three There Is no definite measure of or the decrease that the row cow Is likely to ex experience after she slie has hns aborted but our observation hn has lias taught us that most heifers that abort while carry carry- carrying tn ing their first calf If Ir they abort at t the five months or so will usually not milk more than one fourth to tp one one- one third of what thy they will normally pro produce duce ucc after n a good fitting null and a n norI nor normal mal calving If It they abort at nt seven or nr nearer the normal calving cal period they will sill milk nil lk a n rOIl II greater quantity hut but not nol often oilen more than half the production they would normally produce Cows S I Hint lint huH hau calved normally once or I twice II and nIl t that hn hat t do not n abort hort too ton early curly will often milk mille within li or 20 O per cent of their normal pro production Our observation has lias been hn flint the he decrease de In production de rends de-rends upon the time that the abort III lug takes place fluid and the rise J O of the cow or the number of cr previous ul calv- calv tu s writes Pr Or George p II II olin Conn nun of Stephenson county Illinois In Ih the Prairie Farmer Vc WI have hll had cows under our care that at lit mature couture n 0 age e ln follo following an nn abortion produced 11 pounds of milk In twelve months and the year following a 11 normal only Ing I the the normal salting calling In taking place within thin fifteen months after the pre previous n abortion the lie same animal pro pro- produced produced over Oyer z 2 0 n pounds of milk Several Sc animals from a n herd under our Clur care arc nearly doubled their pro pro- production luction after they had recovered reco from abortion disease Under ordinary conditions abortion sease disease Ii ense In the producing high dairy I herd can an lie fIl expected to o reduce the milk yield In aborting cows from one ire to three fourths of what the normal reduction would he fol following loving the birth of or a n healthy calf alf Many l authorities figure the average n loss per cow due be to abortion disease In those herds that are affected d at nt per cow hut but In our experience we believe belie that nearer twice this amount tinder present methods of operating the pure bred dairy herd would be nearer correct The fhe pure bred herd lierd owner 0 ner will UI be bemore bemore e emore more likely to put nut forth a vigorous effort Tort to eliminate abortion disease from his herd when once he figures I definitely what this tills tIl disease Is costing hIm The cost can cnn very er easily be de de- de determined from froin the rhe lie decreased Iel production production tion from that thaI which he lie could nor nor- normally normally mally expect from his Ills herd and th the loss of the calves which Is due to abortion disease In many pure purebred pure bred herds wh where re offspring Is sold at high prices this tills los loss will twill sometimes amount to several thousand dollars per year In such suh herds as ns this large lare sums of money can nn lie fIl profitably ly spent If necessary necessary necessary essary to eliminate the disease from the herd |