PREFACE 



So far as the author has been able to determine there is no book 

 that the farmer can buy at the present time that has been written with 

 the idea of giving the farmer a general idea of the modern scientific 

 treatment of tlie diseases of live stock. 



Modern veterinary books are not written in terms that the live 

 stock producers can understand. 



The result has been that the farmer has often adopted questionable 

 methods from such sources as are available in the treatment of live 

 stock diseases. 



Scientific research has contributed as much to veterinary medicine 

 in the last thirty years as any other branch of agriculture. 



The value of a knowledge of veterinary medicine to the farmer 

 cannot be appreciated by any one more fully than by the author since 

 he has experienced farming with and without such knowledge. 



The author has been continually approached by farmers seeking 

 knowledge such as is offered in this book of modern veterinary methods. 

 Such methods have not only been appreciated by farmers but in many 

 cases they have been permanently adopted with success in their farm 

 operations. 



Many farmers may still be skeptical about the value of the informa- 

 tion given out by scientific institutions but such men can not get away 

 from good farming practice as advocated by men who have had a life 

 time experience devoted to live stock farming. 



Wliile the especially trained man is essential in many cases in deal- 

 ing with the diseases of live stock, yet it is neither necessary or practical 

 to call such assistance for every case. In some states where statistics 

 are available the losses of smaller anim^k^such as sheep, pigs and 



