INFECTIOUS DISEASES OF CATTLE. 



501 



Pi-evious to June 15 three lots, each hirge enough to accommodate 

 the herd, are fenced off in field No. 3B. These lots should not be 

 located on a stream, and the drainage should be from field No. 3A 

 toward field No. 3B. There should be a space of 15 feet or more 

 between the lots. On June 15 the herd is moved to lot No. 1, and 

 afterwards to lots Nos. 2 and 3 at intervals of 20 days. After the 

 cattle have spent the required time in lots Nos. 1 and 2, if it is found 



flELD N04- 

 COFfN 



FIELD NO.3/1. 



SOBGHUM/)ND COl^PE/15. 

 OR 

 — MILLET /I NO COl^PE/IS 



NOi/.l. BETUBN HERD TO P/t-S TURE. 



FIELD N0.3B 

 DRILLED CORN FOB SOILING CROP 



LOT NO d 

 At/6. I^.MOt/L 

 HERD TO 

 riELDNCUA 



L0TN0.2 



JUiy25.l10l/E 



HERD TO LOT 



NO 3. 



LOT NO. I. 

 JULYS MOUl 

 HERD TO LOl 

 NO 2. 



FIELD N0.2. - 

 COTTON. 

 COt^PEMS. 



FIELD NO. I 

 P/1STURE. 

 JUNE 15. MOl/E HERD TO LOT NO. / 



KEEP /ILL /INIM/tLS OUT OF THI6 FIELD UNTIL NOU l,l^HEN IT IVILL 

 BE FREE OF TICns. 



Fig. 4. — Plan for freeing cattl 



and pastures from ticks by rotation ; feed-lot or soiling 

 method. 



after a careful examination made by some one familiar with such 

 work that the cattle are fre« of ticks, they may be turned directly 

 into field No. 3 A. If they are not free they should be placed in 

 lot No. 3 until they are free, or, if this can not be determined with 



