DISEASES AND PESTS OF FOWLS 
OVIDUCT, DISEASES OF 
Abnormal eggs must be regarded as due 
to functional disorders of the oviduct. One 
cause of soft eggs is lack of shell-forming 
material; therefore a liberal supply of 
powdered oyster shells, or lime in some 
other form, should always be accessible to 
laying hens. Other abnormal eggs occur, 
such as those with double yolks, without 
any yolk, with blood clots, etc. No treat- 
ment can be suggested beyond feeding a 
varied diet and avoiding too stimulating or 
over-heating foods. 
Prolapse of the oviduct may occur. The 
protruding portion should be oiled or vase- 
lined and gently pressed back. 
PERITONITIS 
Not common and not contagious 
Symptoms. Loss of appetite, fever and 
evidence of discomfort and pain in the 
stomach, especially if the abdomen is 
pressed with the hand. Post-mortem ex- 
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