EXPERIMENT STATION REPORTS. 157 



The symptoms were moderate, irregular fever, great weakness, un- 

 certain gait, polyuria, pale or yellowish mucosae, and more or less 

 oedema of the dependent parts. Throughout the disease, the horses 

 stood and ate listlessly of both hay and grain. At the last, they be- 

 came too weak to stand. 



The animals usually died within a week or two after they were con- 

 sidered sick, but I suspect the course of the disease was hastened by 

 the treatment for it is known that horses suffering from infectious 

 anemia stand antipyretic and cathartic treatment badly. 



We were informed that this disease or one similar to it had been 

 seen in at least three other places in the Northern Peninsula, and resi- 

 dents of Wisconsin, south of Gogebic county claimed that they had 

 seen it in their state. 



We are not familiar enough with the disease to make a positive 

 diagnosis. In short, we know of nothing specific upon wiiich a diag- 

 nosis may be based, but the histoiy of the affection and the symptoms 

 strongly suggest Infectious Anemia. 



(See report of Bacteriologist for year ending June 30, 1909, for ac- 

 count of this disease in the Northern Peninsula.)" — [Ward Giltner.] 



A Disease of Cattle near Vhly, Huron Co., Midi. — "The State Live 

 Stock Sanitary Commission requested the laboratorj^ to send someone 

 to meet the President of the Commission at Ubly to determine the 

 cause and nature of a disease of cattle reported by the local health 

 officer, Dr. MacGregor, to be very prevalent in this section. 



August 2, 1910, I met Mr. Hinds, and together with Dr. MacGregor 

 w^e visited a number of farms where cattle were reported affected with 

 this disease. 



The lay of the land is jjretty much the same in this region — a fairly 

 level, fertile area with numerous wild and low places. It has been 

 under cultivation not much longer than ten years. The cattle examined 

 by us show'ed the influence of Short-hom stock and were above the 

 average in general condition. 



Mr. Frank Penuski's herd show^ed the most extensive lesions about 

 the head. On the external lateral surfaces of the mandibles, on the 

 cheek, in the intermaxillary space and even on the side of the neck 

 were severe lesions produced by an irritant applied by a neighboring 

 farmer who is also a registered veterinarian. The skin w^as badly 

 blistered, but aside from this there were subcutaneous swellings, hard 

 and knotted, not attached to the bone and also fluctuating swellings 

 filled with pus. We opened one of these abscesses and evacuated a 

 quantity of odorless, thick, light yellow, viscid pus. 



We saw the cattle of other farmers showing similar cutaneous 

 lesions, presumably caused by blistering. In addition to this, Mr. 

 Bukowski had one cow that was rather thin in flesh, had an abscess 

 posterior to the left carpus and an affection of one-half of the udder 

 resembling a neoplasm of some description. This cow was killed. 

 A foul-smelling, yellowish pus was evacuated from the abscess, and 

 portion of the udder retained for microscopical examination. The 

 intermaxillary region had been blistered three or four weeks before, 

 but showed nothing more than a thickening of the skin. The cow 

 was otherwise normal. 



