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occurs when the animal is not pregnant, usually in animals with 

 gummy legs that are predisposed to weed or grease. It may also 

 arise from a bad wound in the leg or foot, the irritation from which 

 extends up the inside of the hind-leg, thus implicating the udder. It 

 causes a great amount of constitutional fever, the udder being hard 

 and painful, while the patient walks with a stiff, straddling gait. 

 Treatment. — If the fever be very high, the head hanging, with quick 

 breathing, and dilated nostrils, great relief results from bleedmg to 

 the extent of from four to six quarts, and after this by giving 15 to 

 20 ounces of linseed oil, and from one to two ounces of spirits of 

 nitre, with a tablespoonful of saltpetre in the drinking water ; the 

 udder should also be fomented with hot water three or four times every 

 twenty-four hours, and the teats drawn at the same time, after which 

 they should be well dried with a soft cloth, and a little carbolic oil 

 applied. Sometimes the udder gathers and bursts in several places ; the 

 case then becomes troublesome. When this happens the foal (if there 

 is one) should be taken from the mother and brought up by hand. 



805. Inflammation of the Udder in the cow is very common, 

 when one or more of the quarters may be involved. It is said by 

 many writers to be mostly seen after calving, and to be due to 

 overstocking. This, however, has not been my experience; cases arising 

 from these causes being rare in my practice. There are many causes 

 of mammitis, such as derangement of the digestive system, sore warty 

 teats, vesicular eruptions, as from foot and mouth disease, &c., kicks 

 and injuries to the udder, irregular milking, stricture and obstruction 

 of the teats, and the too frequent and injudicious introduction of the teat 

 syphon. The greatest number of cases, are, however, seen amongst 

 grazing cattle in extremely hot, dry weather, when the animals, 

 irritated by the warble-fly depositing its eggs on their backs, 

 gallop about the fields and then plunge into a pond or river, standing 

 there for hours up to the belK' in cold water ; or, when a few intensely 

 hot days are followed by a heavy splash of rain. The two last named 

 conditions seem to make the malady spread like an epidemic ; and I 

 have seen them give rise to as many as 12 to 15 cases in one day. 

 Cows that are supposed to be stripped dry of milk, and put out to graze 



