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Morphology of digestive tract and feeding of the invasive chinese mitten crab, eriocheir sinensis (H. milne edwards, 1853) (decapoda : brachyura : varunidae), southern Iraq
Source
Basrah Journal of Agrricultural Science
Issue
Vol. 32, Issue 2 (31 Dec. 2019), pp.106-114, 9 p.
Publisher
University of Basrah Agriculture College
Publication Date
2019-12-31
Country of Publication
Iraq
No. of Pages
9
Main Subjects
Zoology
Educational Sciences
Medicine
Topics
Abstract EN
The digestive tract in Eriocheir sinensis consists of the alimentary canal which includes a foregut consisting of the mouth, esophagus, and stomach.
The mouth is surrounded by several pairs of appendages which are specialized for chemoreception and prey capture while esophagus is short and straight moves food from mouth to the stomach, which look like an oval sac divided in to two parts called the cardiac chamber and the pyloric chamber.
The composition of digestive tract were investigated and the diet analysis was assessed using two methods: points and frequency of occurrence.
The main food items included eight types, the highest percentage of 43.
6% shrimp, 42.
8 % detritus and 14.
5% sand, while the lowest were (0.
39 %, 0.
69% and 0.
97% for eggs, plants and filament algae respectively.
Feeding intensity and activity values arranged between 12 -15.
9 and 76 - 86%, respectively, while the Vacuity index were 14 - 31.
6%, and Feeding index values were 59.
9 - 79.
7%.
American Psychological Association (APA)
Jabbar, Intisar Muhammad Ali& Sultan, Intisar Naim& Najm, Salah Mahdi. 2019. Morphology of digestive tract and feeding of the invasive chinese mitten crab, eriocheir sinensis (H. milne edwards, 1853) (decapoda : brachyura : varunidae), southern Iraq. Basrah Journal of Agrricultural Science،Vol. 32, no. 2, pp.106-114.
https://search.emarefa.net/detail/BIM-971493
Modern Language Association (MLA)
Jabbar, Intisar Muhammad Ali…[et al.]. Morphology of digestive tract and feeding of the invasive chinese mitten crab, eriocheir sinensis (H. milne edwards, 1853) (decapoda : brachyura : varunidae), southern Iraq. Basrah Journal of Agrricultural Science Vol. 32, no. 2 (2019), pp.106-114.
https://search.emarefa.net/detail/BIM-971493
American Medical Association (AMA)
Jabbar, Intisar Muhammad Ali& Sultan, Intisar Naim& Najm, Salah Mahdi. Morphology of digestive tract and feeding of the invasive chinese mitten crab, eriocheir sinensis (H. milne edwards, 1853) (decapoda : brachyura : varunidae), southern Iraq. Basrah Journal of Agrricultural Science. 2019. Vol. 32, no. 2, pp.106-114.
https://search.emarefa.net/detail/BIM-971493
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references : p. 112-114
Record ID
BIM-971493