EXTERMINATING THE TEXAS-FEVER TICK. 15 
the double fence separating the two parts of the pasture may be 
removed. The rest of the farm will not be certainly free of ticks until 
September 1. The drainage in general should be from field No. 1A 
toward No. 1B, and from field No. 4 toward field No. 2. 
FIELD NO.2B. 
OCT. 12. MOVE THE HERD 
TO FIELD NO.3. 
_OATS FOLLOWED BY | __ FIELD N03. FIELD NO. 4 
COWPEAS OR OTHER CORN. COTTON. 
FORAGE. COWPEAS. RYE OR CRIMSON 
CLOVER. 
FIELD NO.2A. NOV.1. MOVE he tS TO 
SEPT.22.MOVE THE FIELD N 
HERD TO FIELD 
NO 2B. 
,AND BUR CLOVER. 
FIELD NO.I B. 
SEPT. 2. MOVE THE HERD TO FIELD 
NO.2A. KEEP OUT ALL ANIMALS 
UNTIL JULY |, WHEN THIS FIELD 
WILL BE FREE OF TICKS AND THE 
TEMPORARY DOUBLE FENCE MAY BE 
REMOVED. 
FIELD NO.1 A. 
JUNE 15. MOVE THE HERD TO FIELD 
NO.1B. KEEP QUT ALL ANIMALS 
FROM THIS DATE UNTIL NOV. 1, WHEN 
THIS FIELD WILL BE FREE OF TICKS. 
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PASTURE: BERMUDA, VET,C 
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Fic. 8.—Plan for freeing cattle and pastures from ticks by rotation, requiring four and one-half months. 
Plan requiring four months, with a new pasture.—The plan of rota- 
tion represented in figure 10 involves changing the location of the 
pasture. The oat field (field No. 4) after the grain has been harvested 
is reserved for this purpose. It should be sown in cowpeas, Bermuda 
378 
