Abstract

The principal parasites of the intestinal tract of poultry are divided into two groups. 1—Cestodes or tapeworms, and 2—Nematodes or round worms. The two chief members of the Nematode group are Heterakis gallinae, or cecum, worm, and Ascaridia lineata, the common intestinal round worm. Cheilospirura hamulosa, known also as capillaria, is a minor Nematode infesting the intestinal tract, but is rarely found and will not be discussed here.It is intended to confine this paper to those parasites commonly designated as worms. Therefore Eimera avium, the causitive agent of coccidiosis, likewise a true parasite, will not be taken into consideration.TAPEWORMSRansom reports finding nine species of tapeworms charged with causing injury to poultry. For practical purposes it is not necessary to differentiate between these species and in general they may be described as being white in color, flat and of three principal anatomical parts; “head” or scolex, .

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