Research Article

A Study on Determining the Ideal Stock Density of Freshwater Crayfish (Pontastacus leptodactylus) in Polyculture with Rice (Oryza sativa L.)

Volume: 22 Number: 6 December 31, 2019
EN TR

A Study on Determining the Ideal Stock Density of Freshwater Crayfish (Pontastacus leptodactylus) in Polyculture with Rice (Oryza sativa L.)

Abstract

This paper aims to determine optimum stock density for rice–crayfish rearing in controlled environment. Juvenile freshwater crayfish (Pontastacus leptodactylus) obtained in the laboratory condition from female freshwater crayfish were stocked into rice–planted artificial pond at different stock densities (25 individuals m-2, 50 individuals m-2, and 100 individuals m-2) for the assessment of paddy field areas in terms of field fisheries in Turkey. Results showed that the best survival rate (72%) and growth for juvenile freshwater crayfish in point of length and weight has been observed at the stock density of 25 individuals m-2. In addition, statistically significant difference has been found between this stock density and the other stock densities (p<0.05). The maximum survival rate was observed as 72% at the stock density of 25 individuals m-2. The results of this study are significantly different when compared with other feeding researches on juvenile freshwater crayfish in Turkey. The stock density of 25 individuals m-2 should be applied to gain maximum yield in rice–crayfish rearing experiments suggested as an alternative method for crayfish rearing. This paper, the first study on the investigation of different stock density for rice–crayfish rearing, will shed light on the further researches.

Keywords

Supporting Institution

Çanakkale Onsekiz Mart Üniversitesi Bilimsel Araştırma Projeleri Koordinasyon Birimi (ÇOMÜBAP)

Project Number

Proje No: FBA–2015–563

Thanks

Bu çalışma Çanakkale Onsekiz Mart Üniversitesi Bilimsel Araştırma Projeleri Koordinasyon Birimi (ÇOMÜBAP) tarafından desteklenmiştir (Proje No: FBA–2015–563).

References

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Details

Primary Language

Turkish

Subjects

Agricultural, Veterinary and Food Sciences

Journal Section

Research Article

Publication Date

December 31, 2019

Submission Date

March 26, 2019

Acceptance Date

May 23, 2019

Published in Issue

Year 1970 Volume: 22 Number: 6

APA
Berber, S., Kale, S., Bulut, M., & İzci, B. (2019). Tatlısu Istakozunun (Pontastacus leptodactylus) Çeltik (Oryza sativa L.) İle Birlikte Polikültür Yetiştiriciliğinde İdeal Stok Oranlarının Belirlenmesi Üzerine Bir Araştırma. Kahramanmaraş Sütçü İmam Üniversitesi Tarım Ve Doğa Dergisi, 22(6), 953-964. https://doi.org/10.18016/ksutarimdoga.vi.544561

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