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Abou Zaid, M., Ramzy, F., Knmal, H., Karacl, E. (2002). ROTIFERS AS A POSSIBLE BIOLOGICAL CONTROL AGENT AGAINST BIOMPHALARIA ALEXANDJUNA EGGS. Egyptian Journal of Aquatic Biology and Fisheries, 6(1), 115-132. doi: 10.21608/ejabf.2002.1731
Mohamed Abou Zaid; Fattera Ramzy; Hanan Knmal; Erian Karacl. "ROTIFERS AS A POSSIBLE BIOLOGICAL CONTROL AGENT AGAINST BIOMPHALARIA ALEXANDJUNA EGGS". Egyptian Journal of Aquatic Biology and Fisheries, 6, 1, 2002, 115-132. doi: 10.21608/ejabf.2002.1731
Abou Zaid, M., Ramzy, F., Knmal, H., Karacl, E. (2002). 'ROTIFERS AS A POSSIBLE BIOLOGICAL CONTROL AGENT AGAINST BIOMPHALARIA ALEXANDJUNA EGGS', Egyptian Journal of Aquatic Biology and Fisheries, 6(1), pp. 115-132. doi: 10.21608/ejabf.2002.1731
Abou Zaid, M., Ramzy, F., Knmal, H., Karacl, E. ROTIFERS AS A POSSIBLE BIOLOGICAL CONTROL AGENT AGAINST BIOMPHALARIA ALEXANDJUNA EGGS. Egyptian Journal of Aquatic Biology and Fisheries, 2002; 6(1): 115-132. doi: 10.21608/ejabf.2002.1731

ROTIFERS AS A POSSIBLE BIOLOGICAL CONTROL AGENT AGAINST BIOMPHALARIA ALEXANDJUNA EGGS

Article 7, Volume 6, Issue 1, January 2002, Page 115-132  XML PDF (2.23 MB)
Document Type: Original Article
DOI: 10.21608/ejabf.2002.1731
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Authors
Mohamed Abou Zaid1; Fattera Ramzy2; Hanan Knmal3; Erian Karacl3
1Zoology Department, Fac. of Science, Al-Azhar Univ. Cairo, Egypt
2Theodor Blhariz Institute. Cairo, Egypt.
3Zoology Department. Fac. of Girls, Ain Shams Univ, Cairo, Egypt
Abstract
The possibility of using the naturally occurring rotifers, present inadvertently in the snail aquaria, as biological control agent against snait eggs was tested. Two species of rotifers namely Rotaria rotatoria and Philodina acuiicornis were identified, isolated and cultured intensively in controlled clean aquarium. Rotifers were fed on green algae of the genus Scenedesmus* Experiments were designed to test the ability of rotifers to destroy the snail egg masses coinciding with the abundance of rotifers in the media. The damage occurred to the snail egg masses by adult rotifers was monitored and assessed. The different stages leading to the egg masses destruction were identified. The results showed that the stage of development of embryos and the availability of rotifer's food were the two factors controlling this process.
Keywords
Rotifers; Biomphalariaalexcmdrina; Eggs; biological control
Main Subjects
Fisheries
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