Show SCRUB COWS AND DAUGHTERS Iowa College Makes Interesting and andI I Instructive Comparison Record Comparison Record of Holstein Grade A very interesting and Instructive comparison is made between the records records records rec rec- rec- rec of individual scrub cows and their own grade daughters as shown by experiments at the Iowa college The best monthly record of one Holstein Holstein Hol- Hol stein grade shows an increase of 67 pe per percent percent cent in amount of milk and 33 per cen cenin cent in la the amount of butterfat as compared compared com pared p-ared with the best monthly r record cord o oher of h her r dam tills this being the best monthly record for these two cows during three thre lactation periods for each one Th The average for the three lactation pe pe- J- J r Holstein Dairy Cow roods shows that the Holstein cross had an increased production of per cent in milk and 53 per cent in fat as compared with her mother which was one of the original scrubs One Guernsey cross showed an increase increase increase in in- crease of per cent In milk and per cent in quantity of butterfat butterf t as ns compared to the corresponding best month of h her r mother whereas her average average av av- av- av increase that is her increase in total amount of milk and butter for forthe forthe the the entire period of lactation showed an increase of of per cent in milk and per cent of butterfat as compared compared com com- pared with her mother |