BUEEAU OF ANIMAL INDUSTRY. 471 



formed, as to tlie extent of tlio disease in your State ? If this suggestion meets -svith 

 your approval, I v/ould bo glad to have you consult -^ith the governor and to hear 

 your couclusiou at an early day. 

 Very respectfully, 



D. E. SALMON, 



Chief of Bureau. 

 Dr. Wahd B. RovrLAXD, 



Wilmingion, Del. 



On Jul}' 10 Dr. Rowland addressed me a letter inclosing a communi- 

 cation from Governor Stockley, authorizing him to accept an appoint- 

 ment from this Bureau, and to hold the infected herds in quarantine, 

 providing such action was without expense to the State of Delaware. 

 July 29 the appointment was sent to Dr. Rowland to act as an inspector 

 of this Bureau, in accordance with the i)lan outlined above. He was 

 instructed to put the infected herds in strict quarantine, according to 

 the State laws, and prevent any movement of infected cattle within 

 the State, and especially from Delaware into any other State; also to 

 make an inspection of the county or counties infected with the disease, 

 and to report weekly to this Bureau the results of his inspection. 



Since his appointment Dr. Rowland has reported the existence of 



7 infected herds, containing 184 head of cattle, 33 of which were visibly 

 affected with pleuro-pneumonia. 



In October, 1885, Dr. Rose, an inspector of this Bureau, was directed 

 to make an investigation in regard to the condition of the herds then 

 held in quarantine. He reported that the animals exposed to the con- 

 tagion had been inoculated, and that the herds were then held in quaran- 

 tine. The herd belonging to the Lobdell Car Wheel Company contained 

 18 heifers and young steers which were inoculated in March. Tkere 

 were 3 cows not inoculated, belonging to a neighbor, which gained en- 

 trance into the field with the infected cattle, and were quarantined with 

 them. A number of these animals had a cough, which was most marked 

 with 2 of the cows which had not been inoculated. The herd of 

 John and Frank McCauley contained 19 head of cows and young stock, 

 among which were 2 convalescent or chronic cases. This herd- had 

 also been inoculated, and it was asserted that no new cases had devel- 

 oped since the o])eration had been performed. The herd of George 

 White contained IS cows, among which were 2 animals in the chronic 

 stage of the disease. These animals had not been inoculated, and were 

 in substantially the same condition as the animals in the inoculated 

 herds. The herd of the Edgemoor Iron Company contained 46 head 

 which had been inoculated, 9 of which had not been inoculated, and 



8 convalescent cases. A great many of these animals were coughing. 

 All of the acute cases on this and the other farms had been purchased 

 and destroyed by order of the governor. The herd of John Banks 

 contained 14 animals, with which was 1 animal in the chronic stage of 

 the disease. This herd had been inoculated, but the inoculation did 

 not "take" in any of them. They remained free from local lesions 

 and constitutional symptoms, ^o new cases of the disease have de- 

 veloped since the inoculation was practiced. John Boyd's herd consisted 

 of 7 inoculated animals, of which 1 had been affected with pleuro-pneu- 

 monia. Elis Hick's herd consisted of IS inoculated animals and 5 which 

 had been through the disease. Xieholas Garrett had IG inoculated 

 animals and 1 which had been sick. In regard to these herds no fur- 

 ther particulars are given. Some herds in other parts of the State 

 whiph have been infected were disposed of by the slaughter of the sick 

 animals, on the order of the governor, and the sale of those in health, 

 to be slaughtered for food. Dr. Rowland believes that he has traced 



