VETERINARY MEDIOINE. 81 



bility of giviiii; wide ijublieity to the work of tick eradictitioii. Reports were 

 received from all of tlie Southern Stat(?s rep\rdiiig the progress of the work. 



Methods of eradicating cattle ticks, L. A. Klein {South Carolina Sta. Bui. 

 ISO, i)i>. 17, figs. 3; V. S. Dept. Agr., Bur. Aiiiiii. Jiitliis. Cue. 110, pp. 16, figs. 3).— 

 The desiral)ility of eradicating cattle ticks is set forth in coiniection with a dis- 

 cussion of the general problenis connected with this operation. Cattle ticks 

 should be eradicated for the reasons that they transmit Texas fever, constitute 

 a barrier to interstate trattie in cattle, check the growth and development of all 

 cattle, and prevent to some extent the introduction of a better grade of stock into 

 the South. 



It is held that tick eradication is practicable and may be accomplished by a 

 system of rotation of pastures, by the starvation plan, by picking or brushing 

 ticks from the cattle, and by oiling. It is recommended that cattle be examine<^l 

 weekly, beginning iibout October l.j. and treated with crude oil so long as any 

 ticks are found. Under ordinary conditions a thorough application in October 

 will make it unnecessary to give further treatment until March. The oil may 

 be applied with a brush or with a piece of burlap, and all parts of the cow 

 should be covered with it. 



East coast fever, J. M. Sinclair (Xatal Agr. Jour, and Miii. Rec, 10 {1001). 

 \o. 1, pp. Jfl-JfS). — Notes are given on the prevalence of this disease in Rho- 

 desia. Since 1902 nearly 34,000 cattle have died in Rhodesia from this cause. 

 During the time of its greatest prevalence it was spread largely by the unregu- 

 lated movement of cattle from place to place, but since quarantine regulations 

 have been established this means of transmission has been eradicated. 



Infection with foot-and-mouth disease, C. Terni {Clin. ^'et. [Milan], 30 

 {li)07), Xo. I'j, pp. 2'f')-23.'i). — Apparently spontaneous outbreaks of foot-and- 

 mouth disease sometimes occur with more serious symptoms than are manifested 

 in cases which arise by direct contact of healthy cattle with diseased ones. The 

 virus in such cases soon becomes attenuated and iucaiiable of producing an 

 infection except by direct contact. It is believed that in these spontaneous out- 

 brenks the disease is due to the perpetuation of an active virus through the 

 agency of rats. 



Gid in calves, P. Leblanc and Freger {Jour. Med. Vet. et Zootech., 5S 

 {1907), Apr., pp. 193-196, fig. 1). — The comparative infrequency of gid in young 

 calves is believed to be due to the fact that they are kept contiued more than 

 lambs and are not attended by dogs. They are therefore less often exposed to 

 infestation from the larv.ie of the adult form of the gid w^orm in dogs. 



Treatment of mammitis, Schultze {Berlin. Tierdrztl. Wchnschr., 1906, l\o. 

 51, p. 922). — Contagious mammitis being in most cases due to an invasion of 

 bacteria through the milk canals, the author applied his method of treatment 

 along the same channels. The udder is first thoroughly milked and then 

 cleansed with warm soapsuds and a 3 pef cent solution of creolin, after which it 

 is dried. Injections are made into the milk cisterns with solutions containing 

 5 per cent creolin or camphorated oil. This treatment is repeated 3 times daily 

 and in nearly all cases .has brought about prompt improvement. 



The etiology of milk fever, E. Sonnenberg {Berlin. Tierdrztl. Wehnsehr., 

 1907, Xo. 17, pp. 2S3-2S6). — In the study of milk fever undertaken by the author, 

 an attempt was made to determine the effect of the constituents of milk on the 

 physiological functions of experimental animals, particularly rabbits. 



From these tests it is concluded that the milk of healthy cows and also of 

 those suffering with milk fever contains jiroteid substances which produce a 

 typical reaction in rabbits after subcutaneous inoculation. This reaction is 

 shown in the circulatory system and digestive tract. The proteid substances in 



