ARID AGRICULTURE. 349 



pentine in a pint of raw linseed oil to stop the 

 fermentation in the bowels and the accumula- 

 tion of gas. To relieve the pain you will no 

 doubt have at hand some tincture of opium 

 (laudanum), which you can give, say, an ounce 

 in a pint of water. ~No matter what the remedy 

 is, the central idea in treatment for colic is to 

 remove the irritating food in the bowels by 

 means of physics and injections in the rectum of 

 warm water; to stop fermentation of the food 

 by giving anti-ferments, such as salicylic acid, 

 creoline, turpentine, etc., and to remove the pain 

 by means of such remedies as opium, morphine, 

 chloral hydrate, cannibis indica, etc. 



BLACKLEG Blackleg (Si/nt jttoniatic antlirax) is quite 



prevalent among live stock in the arid region. 

 Fortunately the disease affects only young cattle 

 and the young of other species. There is no 

 use trying to treat the animals if they once get 

 the disease. The only hope lies in prevention. 

 All preventive measures tried have failed to be 

 of much service except vaccination. Many stock- 

 men have lost faith in the efficacy of vaccination, 

 mainly because it has been their custom to wait 

 until the disease has broken out among the calves. 

 In cases like this a number of calve* will be sure 

 to die, even though they have been vaccinated. 

 The way to do is to vaccinate twice each year 

 and make it a regular chore. Get some good 



