Show flies great annoyance to cows during summer flies sare ae so great an annoyance to dairy cows during the summer that milk production often la Is materially decreased however a good fly spray applied correctly will not only quiet the cows but will also sober the temper of the A good spray tor for this purpose can be made from the following ingredients 4 quarts coal tar dip 4 quarts fish oil 3 quarts coal OR oh 3 quarts whale oil 1 ah quarts oil of tar dissolve three pounds of laundry soap in water add the ingredients of the spray and bring the whole up to a 30 gallon quantity with lukewarm water this spray will keep flies off the cows and prevent the hair coats from becoming harsh the cows should be sprayed twice a day in the morning after milking and in the afternoon when la in the barn for silage or other green feed with a portable two wheeled halt balf barrel cart having a spray pump and nozzle two men can spray 40 cows in five minutes thirty gallons of this mixture will spray 40 cows twice a day tor for ten days at a cost of 1 cent per cow per day |