Grade. 

 Date. . 



EXERCISE 40 

 POULTRY DISEASE DIAGNOSIS 



Object. To become familiar with the appearance of healthy and dis- 

 eased birds and to become acquainted with the appearance of normal and 

 diseased organs by post-mortem diagnosis. 



Equipment. Have ready at least one male and one female of healthy 

 normal birds and a number of sick birds, which from ante-mortem appearance 

 are probably afflicted with a number of diseases. These specimens can pos- 

 sibly be solicited for class use from poultry farms hi the vicinity. At least one 

 complete set of instruments for diagnostic work, a hand lens, and a suitable 

 table, and dissection tray are needed. A porcelain receptacle containing a 

 disinfectant solution is desirable. A compound microscope should be avail- 

 able if micro-biological and bacteriological observations are to be included. 



Procedure. Step 1. Study a normal healthy specimen in detail, noting 

 breed, sex, age, weight, condition of flesh, appearance of plumage, color of 

 head parts, and general appearance of health and vigor. Study each sick or 

 diseased specimen hi detail, making all possible ante-mortem notes as to 



Ante-mortem Study 



130 



