Show cow may give less milk yet show bigger profit records made by two cows in the same herd an on test in a dakota county dairy herd improvement association during 1930 afford an interesting example of what a dairyman learns in a testing association one of these cows produced pounds of milk in her lactation period of 11 months the rhe other produced only pounds of milk in the ten and a half months during which she was milked although this was almost a gallon a day less on the average than cow no 1 yet cow no 2 made an income over feed cost of GO 00 more than cow no 1 yes that can be says minnesota county agent W E watson because cow no I 1 tested per cent butterfat and produced 2755 pounds while C w no 2 tested per cent butterfat and gave pounds it Is not always the therow cow that milks the most per day and has the longest lactation period that makes the most money he add another striking example of the differences feren ces between cows as brought out by dairy herd improvement records was cited at the annual meeting of th the rock hock county minn alinn dairy herd improvement pro association the ten high cows of the association gave an average return over feed cost of as compared with only for the ten low cows it was also stated that there was a spread between the high herd of the association and the low herd of pounds of butterfat per cow for the year |