الفهرس 
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Abstract
SUMMARY
The protozoan and eotoparasitic infestations of tie birds epjesent one of the major faotors iesp— ‘l.e for high economic Losses. Parasitic infestation irds may be a cause of stunted growth, emaciation, esa and death of egg l.aying hens. Production is Uy deo.reased or even oompl.eteLy stopped. As a er of fact, pSrasit l.ower the viability of thei.r B and resul.t in an icrease of their susceptibility diseases with subsequentie in theiy mort— r The final. outoome is a conaidejebJ.e financial. br Breeding of poul.try on scientific basis has created tns of uniform quaLity with a high degree of res— against parasitic, bacteriaL, viral., fungal. and br “itionaL diseases. br In Poul.try management special. attention shoul.d be id to ajitary massures utiLizing the advantages of br rn pouLtry system. ALso, the probLem of eotoparas’. might be minimized by thorough cLeaning of pouZtry br eea. Moreover, adequate nttrition together with proper uent and disease eonto1. *je essential. for the br Lntainanoe of normal. growth, egg hatch— jr end a Long Productive Life in PouLtry, br It was the ain of the p)esent study to reveal some aspects of mageinent and proper breeding of pouLtjy br ‘a toubLes. Besides, it was intended to throw Ught on the protozoan infection and ectoparasite istation of birds, their identification, prope bdBflOO and diatribuion 1n .8iut GovernOrae. br The bioassay tests were peformec1 at the Institute Parasitol1ogy— Hannover-. West Germeny. The present br r1T needed Large nuinb.r of fowl. tioks(g persious) Assiut strain in -#111;-#114;-#100;-#101;-#114; to asses the effect of some br chemicaLs as acarioide. Therefore, the Laboratory .ing of A. pereicits wee done and the Life cycLe a].80 studied as weLl. as the cLinical. eytomea and br piotuje ofwhite Leghorn chicken which were used feeding the tioks during the Laboratory rearing. br wojik was extended as a piLot project in different pouLtxy houses to XeveaL the response of fowl1 ticks to br sone new insectioides under ±ieLd conditions in Assiut f Province-. ypt. br As a resuLt of the present study, certain pointà of interest were reveaLed. The dontatic pigeon (PoLumba JiV do*etioa) was found infected with a considerabLe species Of protozoa and eotopsraeites .