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the oldest ,ot the worming a gents is sodium fluoride and it is , known to be 95 per cent mr; ef fective in removing largv •• ' worm. The advantages of this agent is its low cost and avail b .] litv. It is, however, tox'c.
Piperazine compounds re ' ; ; patently 95-100 degree elective j in removing roundworms from swine. They are non-toxic, palatable and easily administered. | Hygromycin is the most recent i of the worming agents to appear. It is claimed by some thaf ir - ; 95-100 per cent effective against | roundworm and somewhat less ef fective against other parasites. It ! is apparently non-toxic, palatable and easily administered.
For the system of administering these medicines to swinO contact the county agents otfW.
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