l^r^ DISEASES OF POULTRY. 



CHAPTER VI. 



Disi-;ases ok the Organs of Urination and Re- 

 production. 



BKIKK DKSCKIPTION" OK THE ORGANS OK URINATION — I'AK KN - 

 CHVMATOUS NKl'HKITIS, INKLAMMATION OK THK KIl)- 

 NEYS — ABSCESS OK THK KIDNEYS— OBSTRUCTION OK THK 

 CLOACA BY URINARY CONCRETIONS — THE MALE ORGANS 

 OK REPRODUCTION — HYPERTROPHY OR ENLARGEMENT OK 

 THE TESTICLES— CANCER OK THE TESTICLES— KATTY DE- 

 GENERATION — THE FEMALE ORGANS OF REPRODUCTION — 

 ATROPHY OF THE OVARY — TUMORS OF THE OVARY — 

 GANGRENE OF THE OVARY— INKLAMMATION OK THE 

 OVIDUCT — PROLAPSUS OR EVERSION OF THE OVIDUCT- 

 DIFFICULT LAYING, EGG BOUND, OBSTRUCTION OK THK 

 OVIDUCT— GANGRENE OK THE OVIDUCT — RUPTURE OK 

 THE OVIDUCT- CLOACITIS, VENT GLEET— ANOMALIES IN 

 EGG PRODUCTION — EGG INCUBATED IN THE OVIDUCT- 

 PARASITES IN EGGS— SANGUINEOUS EGGS — EGGS WITH- 

 OUT SHELLS— EGGS WITH TWO YOLKS — INCOMPLETE OK 

 AHOKTED EGGS— EGGS WITHIN EGGS. 



BRIEF DESCRIPTION OF THE ORGANS OF URINATION. 



/^^^UE urinary apparatus of birds consists of two 

 / \ kidneys and two ureters. There is no bladder, 

 ^^i^ thecloaca forming a common receptacle for both 

 urine and faeces. The kidneys are elongated in 

 form, commencing immediately below the lungs and 

 extending along the sides of the spine as far as the ter- 

 mination of the rectum. They present inequalities of 

 surface corresponding to the elevations and depressions 

 of the walls of the pelvis. The kidneys of birds are divid - 



