Effects of four kinds of tree leaf as different feeds on growth indices of Daphnia magna

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RAFIEE GHOLAMREZA; Motamedi nazanin; Esmaeili Bidhendi Mehdi

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Journal: Journal of Fisheries Year:2019 | Volume:72 | Issue:1 Page(s): 29-43

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Title

Effects of four kinds of tree leaf as different feeds on growth indices of Daphnia magna

Author(s)

RAFIEE GHOLAMREZA | Motamedi nazanin | Esmaeili Bidhendi Mehdi | Issue Writer Certificate

Keywords

Daphnia magnaQ1

food bedQ1

plane leafQ1

white poplar leafQ1

oak leaf and Mulberry.leafQ1

Abstract

A completely randomized experimental design was conducted to determine the effect of tree leaves as Daphnia feed with six food beds on survival, reproduction and development of Daphnia magna (in main section, Observation of the first reproduction), during a 3-month culture in an enclosed unit in vitro in triplicates. The treatments were included: Pure water (treatment1); Food without leaves (treatment 2); Plane: Platanus orientalis (treatment 3); white poplar: Populus alba (treatment 4); Oak: Quercus castaneifolia (treatment 5) and mixed of Plane, Mulberry: Morus alba and food (treatment 6). Each experimental unit was consisted of a trough (30 cm length, 25 cm width and 10 cm depth (about 12 L)), and an aeration pipe. The experiment was run in February 2014. The Daphnia were fed dry powdered leaves or food with the rate of 12gr/unit. The EC, pH, TDS and salinity, measured at 16, 29, 39 and 93 days after initiation of the experiment. Twenty pieces of Daphnia magna were introduced randomly to each experimental. The number of Daphnia were visually counted in 1 liter of each unit. Water temperature (in the first part) and pH ranged (during the experimental period) between 10-14° C and 7/80-8/34, respectively. The survival, reproduction and development were significantly different (p<0/01) among treatment. This rate in treatment (6) with plane, mulberry and food was higher compared to the other treatments. The results of this study indicated that Daphnia magna fed mixed plane, mulberry and food (treatment6) have better condition for reproduction than plane leaf (treatment3) and food without leaves (treatment2). Results showed that the mulberry and plane leaves contain some substances stimulate the maturation and reproduction of Daphnia.

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APA: Copy

RAFIEE, GHOLAMREZA, Motamedi, nazanin, & Esmaeili Bidhendi, Mehdi. (2019). Effects of four kinds of tree leaf as different feeds on growth indices of Daphnia magna. JOURNAL OF FISHERIES (IRANIAN JOURNAL OF NATURAL RESOURCES), 72(1 ), 29-43. SID. https://sid.ir/paper/162249/en

Vancouver: Copy

RAFIEE GHOLAMREZA, Motamedi nazanin, Esmaeili Bidhendi Mehdi. Effects of four kinds of tree leaf as different feeds on growth indices of Daphnia magna. JOURNAL OF FISHERIES (IRANIAN JOURNAL OF NATURAL RESOURCES)[Internet]. 2019;72(1 ):29-43. Available from: https://sid.ir/paper/162249/en

IEEE: Copy

GHOLAMREZA RAFIEE, nazanin Motamedi, and Mehdi Esmaeili Bidhendi, “Effects of four kinds of tree leaf as different feeds on growth indices of Daphnia magna,” JOURNAL OF FISHERIES (IRANIAN JOURNAL OF NATURAL RESOURCES), vol. 72, no. 1 , pp. 29–43, 2019, [Online]. Available: https://sid.ir/paper/162249/en

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