38 



Diseases of Poultry 



Symptom 



Choking. 

 Comb, pale. 



Comb, first dark then pale. 

 Comb, first pale, but later dark. 

 Comb, very dark. 



Comb, yellow. 



Comb, with white, powdery 



scurf. 

 Comb, with white spots. 

 Constipation. 



Convulsions. 



Cough. 



Crop, enlarged and hard. 

 Crop, enlarged and soft. 



Diarrhea. 



Droppings, blue. 



Diseases which the Stmptom named 

 MAY Indicate 



Arsenic poisoning (82). 



Tuberculosis (115), Dropsy (80), 

 Air-sac mite (180), Infectious 

 leuksemia (185), White diar- 

 rhea (283). 



Roup (155). 



Enteritis (67). 



Liver disease (87), Blackhead 

 (94), Ptomaine poisoning (85), 

 Congestion of 'lungs (177), 

 Pneumonia (178). 



Liver diseases (87), Visceral gout 

 (200). 



White comb (236). 



Favus (233). 



Simple constipation (69), Indi- 

 gestion (70), Gastritis (63), 

 Inflammation of Oviduct (262). 



Arsenic poisoning (82), Copper, 

 lead or zinc poisoning (83), 

 Epilepsy (196), "Harvest-bug" 

 (227). 



Diseases of the respiratory sys- 

 'tem (147). 



Crop bound (58). 



Inflammation of crop (61), En- 

 larged crop (62), Inflated crop 

 (63), Gastritis (63), Cholera. 

 .(102). 



Diseases of the alimentary tract 

 (57), Arsenic poisoning (82), 

 Copper, lead or zinc poisoning 

 (83), Diseases of the Uver (87). 

 Blackhead (94), Tubercidosis 

 (115), Cholera (102), Roup 

 (155), White diarrhea (185), 

 Cocoidiosis (71), Mercury poi- 

 soning (83). 



Copper poisoning (83). 



