62 AGRICULTURE. 



Foot-Rot. 



Separate the sound animals from the diseased ones and 

 irom contaminated pastures and buildings. Carefully 

 /emove all diseased horn and foreign bodies and walk 

 the sheep through a trough containing one pound of blue 

 vitriol to three gallons of water. Place the infected flock 

 on a dry upland pasture, if possible. 



Grub ill the Head, 



This is the larvae of a small gadfly {vestrtts ovis) which 

 deposits its eggs within the nostrils. It stays there during 

 the winter and spring, often proving harmless, but some- 

 times causing much irritation, a white muco-purulent dis- 

 charge, with dullness and stupor. 



Prevention. — Smear the nose with tar, or feed salt from 

 two-inch augur-holes bored in a log, the surface of which is 

 smeared with tar. 



Treatment. — Place in a warm building and introduce 

 into the nostrils snuff, a solution of tobacco, or turpentine 

 and olive-oil equal parts, to kill the larvae or cause their 

 expulsion by sneezing; or place in a close room and subjci ( 

 to the fumes of burning sulphur for 15 min,, as strong as 

 can be endured, once daily for 3 or 4 days. 



IV. SWINE. 



Hog Cliolera. 



A specific contagious fever of swine. 



Symptoms. — The period of incubation varies from three 

 to fifteen days. Shivering, nose hot and dry, later refuses 

 food, lies under the litter, eyes sunken, gait unsteady. 

 Heat and soreness of the skin, with tenderness, red patches 

 and black spots; labored breathing; hard, dry cough; sore- 

 ness of the belly; costiveness, followed by a foetid diar- 

 rhoea. 



Prevention. — If it breaks out in a herd, kill and bury the 

 diseased. Thoroughly disinfect everything they have come 

 in contact with, using one-half ounce of corrosive sublimate 

 in four gallons of water. Burn all straw and litter. Give 

 the healthy ones clean, dry quarters. If possible, divide up 

 the herd, placing a few in each pen. Allow free access to 



