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that begins to run into too much money.
Twenty five is the minimum, as many more as you can get. We would like in counties where there are veterinarians practicing, of course, that that man will do the work. In counties where there are no veterinarians we will select the nearest one, or if the people involved prefer some specific veterinarian and if he is available at the time desired, we will be very happy to furnish him. That is about the size of it at today.
Now you will appreciate the vaccination of the calf goes a long way in protecting the next generation of cattle the testing of the adult herd and the retention of the reactors locates the infection and does a great deal toward limiting the spread of the infection, but there is in that picture a gap. The possible additional infection of the clean cow in this infected h'trrd, particularly when the reactors are retained. It is all very well probably when a man has 20"< of his herd infected, he starts vaccinating his calves and they will grow up and he resistant but that doesn't answer the problem in the man's herd about what to do j^bout his present producing cows. In some herds it may be desirable to vaccinate them. If this disease is rapidly progressing and this is a commercial beef operation, it probably would be desirable to vaccinate. If thsi is a pure bred beef operation, if the man is willing to revert that herd from its pure bred breeding to strictly production- of commercial beef, then it may be desirable to vaccinate. If that is a grade or a commercial dairy herd it is most un
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