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Impact of some herbicides on biological and physiological aspects of Biomphalaria alexandrina snails as intermediate host of Schistosoma mansoni / Amina Mohamed Ibrahim ; Supervised Fathy A. Abdelghaffar , Amira Kamal Ahmed , Fayez A. Bakry

By: Contributor(s): Material type: TextTextLanguage: English Publication details: Cairo : Amina Mohamed Ibrahim , 2015Description: 175 P. : charts , facsimiles , photographs ; 25cmOther title:
  • تأثير بعض مبيدات الحشائش على الجوانب البيولوجية و الفسيولوجية لقواقع بيومفلاريا الكسندرينا كعائل وسيط للبلهارسيا المعوية [Added title page title]
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  • Issued also as CD
Dissertation note: Thesis (Ph.D.) - Cairo University - Faculty of Science - Department of Zoology Summary: Schistosomiasis remains a public health problem in the developing world. Biomplaraia alexandrina snails are the intermediate host of Schistosoma mansoni with wide spread distribution allover Egypt. Controlling of these snails by molluscicides is still one of the most promising means in the battle against this parasitic disease. In the present study, results indicated that the three herbicides (Amex 48%EC, Herphosate 48%SL and Stomp 50%EC) have molluscicidal effects on these snails and showed that stomp 50%EC is the most toxic herbicide than the other two. The three herbicides had a fast toxic effect against miracidia and cercariae of Schistosoma mansoni after 3 hrs of the exposure. Moreover, these agents recorded adverse impact on hatchability, survival and growth rates as well as egg laying capacity of the exposed B. alexandrina snails. Such effects were supported by the assessment of some biochemical, hematological parameters and also histological examinations for both the digestive and hermaphrodite glands. Also, these herbicides have genotoxic effects that can be transmitted to progeny
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Item type Current library Home library Call number Copy number Status Date due Barcode
Thesis Thesis قاعة الرسائل الجامعية - الدور الاول المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.12.21.Ph.D.2015.Am.I (Browse shelf(Opens below)) Not for loan 01010110067156000
CD - Rom CD - Rom مخـــزن الرســائل الجـــامعية - البدروم المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.12.21.Ph.D.2015.Am.I (Browse shelf(Opens below)) 67156.CD Not for loan 01020110067156000

Thesis (Ph.D.) - Cairo University - Faculty of Science - Department of Zoology

Schistosomiasis remains a public health problem in the developing world. Biomplaraia alexandrina snails are the intermediate host of Schistosoma mansoni with wide spread distribution allover Egypt. Controlling of these snails by molluscicides is still one of the most promising means in the battle against this parasitic disease. In the present study, results indicated that the three herbicides (Amex 48%EC, Herphosate 48%SL and Stomp 50%EC) have molluscicidal effects on these snails and showed that stomp 50%EC is the most toxic herbicide than the other two. The three herbicides had a fast toxic effect against miracidia and cercariae of Schistosoma mansoni after 3 hrs of the exposure. Moreover, these agents recorded adverse impact on hatchability, survival and growth rates as well as egg laying capacity of the exposed B. alexandrina snails. Such effects were supported by the assessment of some biochemical, hematological parameters and also histological examinations for both the digestive and hermaphrodite glands. Also, these herbicides have genotoxic effects that can be transmitted to progeny

Issued also as CD

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