الفهرس 
IntroductionOnly 14 pages are availabe for public view
 |  | from | 138 |  |  |
| | | from | 138 | | |
Abstract
Fish is a~ aquatic, cold blooded vertebrate,
and extlibit <l time honou eed place in the nut.ritiOllE!
1, economical and therapeutical ”hist.or>’. Sinoe
he ancien t times, r rsn had a t.tl”’acted the a tten tion
as an illJportant food .in Egypt, It gave abundant
calorific va.lue and tat, also various proteins and
the fat Soluble vUamins (It and D) and considerable
amounts of Combined pl1osphorus a.nd .ot.her- elements
(Hepher et aJ.., 1971),
Hof’flllan (1970) stated that whler study of . he
effects of parasites on fishes wa~ of greater importance
eco~omicallYj ecologically and phySiOlogically.
I nE:gypt, in the recent fe~1 yea 1”’8, there had
been a cont1.nuous demand 1’01” ’lnimal Pl’Qteins due to
the great increase of human population. This was not
completely fulfilled due to the lacl<of needed food
producing aniJlJ!als I so, in order to com.pensate t.hat
defi ci ency , it was loc!’eas i.ngly necessary to depend
on fishes as anothet” SOurce of animal protein for
human requirements.
InaddHion to the h’ide and exten<ied areas or
se ae ordering Egypt, as weI as, the w-ide lakes.