342 DISEASES OF CATTLE, SHEEP, GOATS, ETC. 



one-half ounce and whisky or alcohol 2 ounces may be combined 

 with the quinine, according to indications of individual cases. An 

 iron tonic containing reduced iron 2 ounces, powdered gentian 4 

 ounces, powdered nux vomica 2 ounces, powdered rhubarb 2 ounces, 

 and potassium nitrate 6 ounces will be found beneficial in the conva- 

 lescent stage when the fever has run its course. This tonic should be 

 given in heaping tablespoonful doses three times a day in the food. 

 Good nursing is essential in treating these cases, and the animal 

 should be given a nutritious laxative diet with plenty of clean and 

 cool drinking water, and allowed to rest in a quiet place. If the sta- 

 ble or pasture is infested with ticks the animal should be placed in a 

 tick-free inclosure to prevent additional infestation with these para- 

 sites and the introduction of fresh infection into the blood. Further- 

 more, remove from the sick cattle all ticks that can be seen, as they 

 keep weakening the animal by withdrawing a considerable quan- 

 tity of blood, and thereby retard recovery. 



The sanitary regulations which have been enacted by the De- 

 partment of Agriculture for the control of the cattle shipments from 

 the infected districts have for their initial purpose the prevention of 

 the transportation of cattle ticks from infected regions to those that 

 are not infected, either upon cattle or in stock cars or other conveyer, 

 during the season of the year when infection is possible. They are 

 based upon the fact that Texas fever is carried north only by the 

 cattle tick, and the exclusion of this parasite from the noninfected 

 territory has in every instance been found a certain method of 

 excluding Texas fever. The regulations governing the movement of 

 cattle from below the quarantine line are made yearly by the Secre- 

 tary of Agriculture, and they define the boundary of infected dis- 

 tricts. The infected area as now determined includes the territory 

 south of an imaginary line which commences in North Carolina, on 

 the Atlantic coast, and passes in a westerly direction through a few 

 counties in the middle of Virginia, North Carolina, Georgia, south- 

 ern portion of Tennessee, along the northern border of Arkansas, 

 the middle of Oklahoma, and the western part of Texas to the Rio 

 Grande and the Mexican border, whence it passes along the southern 

 boundary of New Mexico and Arizona and across the lower portion 

 of California, to the Pacific slope. 



During the months of January and February, the first fifteen 

 days of March, and the last sixteen days of December in each year, cat- 

 tle of the quarantined area of any State or Territory may be moved 

 interstate, therefrom for purposes other than immediate slaughter 

 under the above-mentioned restrictions into those portions of the 

 States of Virginia and North Carolina not included in the quaran- 

 tined area. During the month of January and the last seventeen 

 days of December in each year cattle of the quarantined area of any 

 State or Territory may be moved interstate therefrom _ for purposes 

 other than immediate slaughter under the above-mentioned restric- 

 tions into that portion of the State of Oklahoma not included in the 

 quarantined area. 



