الفهرس 
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Abstract
The increase in the human population with the increased consumption of animal proteins in front of the limited abilities of animal production, required more research interest in the problem concerning the capacity of the animal to produce.
Among livestock, cattle, buffaloes, sheep, goat and camels are considered the main sources of the national income in Egypt and multipurposes animals producing milk, meat, hide, wool.
Moreover, their manure used as soil fertilizers and some of them used for work in field as ploughing and irrigation of the fields by cattle and buffaloes.
Gastrointestinal parasite infections are a world wide problem for both small and large scale farmers but their impact is greater in sub-Saharan Africa in general and Egypt due to the availability of a wide range of agro-ecological factors suitable for diversified hosts and parasite species.
Among destructive enemies of animal wealth and the biggest hinderness for successful production are parasitic infection where, their percentage in the live stock animals fluctuated according to many factors including irrigation, season, frequency of exposure of animal to infection, immune condition of the animal, the geographic location and climatic conditions (Cawthorne, 1984).
The problem of parasitic infection partially in Egypt represents an important cause of direct and indirect losses in all animal species, the direct losses include not only the actual deaths, but also severe degree of illness resulting in decrease in body weight and production.