| Titles |
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English :
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Omparative Fecundity Estimation Of Cultured Female Fishes Infected With Myxosporean And Fungal Infection
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Arabic :
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تقييم مقارن لخصوبة اناث الاسماك المستزرعة المصابة بطفيل الميجزوبولس وفطر الاكثيوفوناس هوفرى
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| Abstract |
this is the trial so far in egypt through upgrading the fish production by revealing specific ovarian myxozoon and fungal infections that affect their fecundity fecundity comparison was held between noninfected and infected Oreochromis niloticus and cyprinus carpio with either Myxobolus spp or Icthyophonus hoferi
the parasite myxobolus spp ( with higher prevalrnce in both species ) appeared as numerous white large rounded spores embedded in the ovarian tissue excessive fibrosis . the fungus I hoferi inspite of its lower prevalence among the 2 species the white capsulated cysts and separate colonies caused ovarian atresia and fibrosis inflammatory
drop of fecundity was represented by significant decrease in relative and absolute fecundity total protein gonadosomatic and hepatosomatic indices from highly with O. niloticus to moderately with C. carpio . In O. niloticus ( more sensitive ) i . hoferi reflected + ve correlation with ovarian weight and gonadosomatic indices ranging from highly with O. niloticus to moderately with C carpio In O. niloticus ( more sensitive ) I. hoferi reflected + ve correlation with ovarian weight and gonadosomatic index while myxobolus spp recorded a negative correlation between ovarian weightand the body parameters ( weight, length&depth )
the results revealed that infection takes place among apparently healthy fish proving that gonadal periodical examination is the only way for detecting such infection
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| Publication year |
2003
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| Availability location |
معهد صحة الحيوان - ش نادى الصيد - الدقى- الجيزة
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| Availability number |
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| Organization Name |
Animal Health Research Institute (AHRI)
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| City |
القاهرة
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| serial title |
المجلة المصرية للبيولوجيا المائية والمصايد
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| Author(s) from ARC |
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| Agris Categories |
Animal diseases
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AGROVOC
TERMS |
Females.
Fishes.
Parasites.
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| Publication Type |
Journal
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