Show lim I 1 1 4 i ABORTING COWS POOR PRODUCERS reduction expected from one to three fourths there Is no definite measure of the decrease that the cow Is likely to experience per peri lence ence alter after she tins ling aborted but our observation tins fins taught us that most heifers heffers chiat thiat abort white while carrying their first calf if they abort at five months or so will usually not milk more than one fourth to one third theril of what they will normally normn lly produce after a good lilting fitting and a normal calvi ing if they abort it at seven months or nearer the normal calving call ins period they will milk a considerably prenter greater quantity but not often more than half the product production lon they would normally produce cows flint have calved normally once or twice and that tant do not abort too early will often mills milk within 15 or 20 per vent cent of their normal pro duct lon our observation has been th that at the lie der decrease rense in production depends upon the time that the abort ins ing tabes place and the age of the cow or the number ot of previous calv ings writes dr george 11 conr conn of stephenson county illinois in the prairie farmer we have had cows under tinder our care that at mature one age following an abortion produced pounds of milk in twelve months and the first year following a normal chiv calving the normal calving taking place within fifteen months after the previous abortion the same animal produced over pounds of milk several everal animals from a herd under our care nearly doubled their pro after they bad recovered from abortion disease under ordinary conditions abortion di doense ense in the high producing dairy herd can be expected to reduce the milk yield in aborting cows cowa from one fourth to three fourths fourth s 0 ot f what the normal reduction would be following the birth of n healthy calf authorities figure the average loss per cow due to abortion disease in those herds that are affected at 21 per pw cow hut but in our experience we believe that nearer twice this amount under present methodi of operating the purebred pure bred dairy herd would be nearer correct the purebred herd owner diw will oc be more likely to put forth a vigorous effort to eliminate abortion ali disease desens from rom his herd when once he figures definitely what this disease Is costing him the cost can very ery easily be determined ter mined from the decreased prodie production from that which he could normally expect from his herd and the loss of the calves which Is due to abortion disease in many purebred pure bred herds where offs offspring Is sold at high prices this loss will sometimes amount to several thousand dollars per year in such herds ns as this large sums of money can be profitably spent it if necessary to eliminate the disease from the herd |