Excerpt from Dairy Herd Improvement Letter, Vol. 57: July 1981 Information on amount of feed, feed cost, and income, in addi production, was reported by the Iow
Excerpt from Dairy Herd Improvement Letter, Vol. 57: May 1981 Relative rank of higher cis cows among eligible cows is indicated in table 6. The percentages gene
Excerpt from Dairy Herd Improvement Letter, Vol. 53 This year's increase in the production averages of 800 pounds of milk and 28 pounds of fat for cows on offic