Show homemade fly spray Is beneficial in summer most owners of small herds will prefer to buy a prepared fly spray but others prefer to mix mil their own the following ingredients can be purchased at any good drug store and have been used successfully by the iowa experiment station coal tar dip 4 quarts fish oil 4 44 quarts coal oil 3 quarts whale oil 3 8 quarts oil of tar 1 quarts laundry soap 3 bars la in preparing the spray the three bars of soap should be dissolved in warm water then the other ingredients can be added separately and enough water added to bring the total amount up to thirty gallons this spray like others Is most effective for a few hours after using it has a pronounced odor which alda aids it as a fly repellant repell act but it does not seem to affect the milk unless some drops in the utensils the OR oil in the spray collects dirt but most of this will wash out when the cows are out in the rain |