PARASITES AND PARASITIC DISEASES OF HORSES 



15 



In experimental infestations of horses with ascarids, fever and 

 a cough have been observed during the early stages when the worms 

 were present in the lungs and in the windpipe and its branches. 



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It is probable that similar symptoms are present in heavy ascarid 

 infestations which are acquired naturally in stables and on pastures. 

 Ordinarily, ascarid infestations in foals result in unthrifty animals 

 with rough, staring coats, and the removal of the worms frequently 



