Show r duchesne county t mi FARM AGENT NOTES many points to be considered in buying cows the following Is taken flom the united states circular dairymen often ask tho the question Is there any re latiola between the size of a dairy cow and the efficiency ot of hw her production must most people have los on oil this subject yet very little work has been done along this line gowen says bays tire the most important element predicting milk is w weight eight body length body girth closely follow weight in the ae acy Y with which they predict inick yield hoards hoard a dairyman gives a table in which cows are classified as heavy producers medium producers i and light pr producers cers the f figures ig show that increased production was accompanied by greater size size lu ka this case being based on measurement and not on weight nevens nevena says large cows eat and produce moe mo e than small cows cowa arid and are more sf ef frelent producers turner Rap dallo and brody state the chief value of large animals la Is in the production of largo large total yields and P M 1 the economy of the same production from an ITI invest vestment in hi fewer animals and the sequent decrease in overhead costs coats I 1 rather than in the more al use of feed by animals of different 1 slie size wool and aad harri harris a show the relation of weight of dairy cows to feed cost teed feed units and lucerne over cost coila of feed A study of nearly yearly individual records of cows in dairy herd improvement also bowd showed that within the breed the heavier cows cows irl 1 general excelled the lighter cows of the same sam age in production and income aboa teed feed cost the larger cows ate more ta id dol lors korthof wor teed feid brer bercow cow than the smaller maller cows cowe but they more than 1 I 1 j paid la in D product lou tor for the increased cost of feed size ot of cow is only one of the factora tac that influence production and income above feel feed cost it la Is abot wise therefore to buy dairy cows cowa on the basis of size eize alone it Is true however that if two cows are am equal in all other respects the lar lara er cow may be expected to droan more milk and return a larger income |