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Show The new vaccine, introduced intro-duced during the last calving I season, is proving highly effective in preventing calf scours due to E. coli. The first injection is administered adminis-tered to the pregnant cow at any time from midpreg-nancy midpreg-nancy to no later than six to eight weeks before calving. calv-ing. The cow receives a second booster dose approximately approx-imately three weeks before calving. For subsequent calv-ings, calv-ings, the cow receives only a single dose. The vaccine is considered extremely economical. In fact, a spokesman of the Connaught Animal Health Company, the makers of the new drug said: "if the producer can save two calves per hundred cows calved, it more than pays for the vaccine expense." It's an ounce of prevention that., could be worth millions. I |