Research Article

The Effects of Using Different Levels of Calcium Carbonate (CaCO3) on Growth, Survival, Molting Frequency and Body Composıtion of Freshwater Crayfısh Juvenile, Pontastacus leptodactylus (Eschscholtz, 1823)

Volume: 23 Number: 2 April 30, 2020
TR EN

The Effects of Using Different Levels of Calcium Carbonate (CaCO3) on Growth, Survival, Molting Frequency and Body Composıtion of Freshwater Crayfısh Juvenile, Pontastacus leptodactylus (Eschscholtz, 1823)

Abstract

The present study was conducted to determine different calcium carbonate (CaCO3) level effects on growth, survival, molting frequency and body composition of freshwater crayfish juvenile, Pontastacus leptodactylus (Eschscholtz, 1823). Initial mean weight and length juvenile crayfish were measured to be 0.53±0.01 g and 22.0±0.05 mm, respectively. Crayfish were stocked randomly in twelve aquariums in area of 0.2 m2 at the rate of 50 crayfish/m2. The different level of CaCO3 was added into a commercial trout diet (Control), 3%, 6% and 12% for feeding the juvenile crayfish. After 90-day study, supplementation of CaCO3 significantly (P< 0.05) did affect growth rate, specific growth rate, feed intake, molting frequency, biomass, but reduced survival of crayfish at level of 6% diet as compared to the other groups.  The proximate composition of tail meat of crayfish was unaffected by the diet. These results indicated that the calcium carbonate addition is required for crayfish. At the end of the experiment, 6% of calcium carbonate was suggested to be used in formulated diets for crayfish juvenile. 

Keywords

Supporting Institution

Scientific Project Office of Mustafa Kemal University

Project Number

Project No: 04 Y 1 0121

Thanks

This study was supported by funding from the Scientific Project Office of Mustafa Kemal University (Project No: 04 Y 1 0121). This study result is based on a part of the master thesis. The authors would like to thank the Faculty of Marine Sciences and Technology staff for their assistance during the study.

References

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Details

Primary Language

English

Subjects

Structural Biology

Journal Section

Research Article

Publication Date

April 30, 2020

Submission Date

September 3, 2019

Acceptance Date

November 28, 2019

Published in Issue

Year 2020 Volume: 23 Number: 2

APA
Mazlum, Y., & Şirin, S. (2020). The Effects of Using Different Levels of Calcium Carbonate (CaCO3) on Growth, Survival, Molting Frequency and Body Composıtion of Freshwater Crayfısh Juvenile, Pontastacus leptodactylus (Eschscholtz, 1823). Kahramanmaraş Sütçü İmam Üniversitesi Tarım Ve Doğa Dergisi, 23(2), 506-514. https://doi.org/10.18016/ksutarimdoga.vi.614826

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