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Dergiler / Turkish Journal of Veterinary and Animal Sciences / 2009 / Cilt: 33 - Sayı: 1

The Effects of Feeding Level and Stocking Density on the Growth and Feed Efficiency of Himri Barbel Fry, Barbus luteus (Heckel, 1843)

Kaya GÖKÇEK
Yalçın TEPE
Sayfa
21–25
Yayın Tarihi
2009-01-01
DOI
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⚡ TL;DR(1 Cümlede Hızlı Çıkarım)

Both feeding ratio and stocking density also affected water quality parameters.

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Amaç & Hipotez:Two stocking densities (20 and 40 fry/80-l tank) with 4 feeding rates (2.5%, 5.0%, 7.5%, and 10.0% body weight/day) were used to determine the optimum feeding level for himri barbel fry during a 60-day culture period.
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Temel Bulgular & Veri:Final body weight and specific growth rate (SGR) was significantly lower with the 2.5% feeding rate than with the others, at both stocking densities; however, no significant differences were observed between the other feeding rates and between stocking densities.
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Sonuç & Katkı:Both feeding ratio and stocking density also affected water quality parameters.
🔬Tür:Araştırma Makalesi
📍Kapsam:Genişletilmiş Akademik Örneklem
⚙️Değişkenler:Himri barbel · feeding levels · stocking density

Özet

Two stocking densities (20 and 40 fry/80-l tank) with 4 feeding rates (2.5%, 5.0%, 7.5%, and 10.0% body weight/day) were used to determine the optimum feeding level for himri barbel fry during a 60-day culture period. Water quality parameters (temperature, dissolved oxygen, pH, and total ammonia nitrogen) were monitored during the experiment. Final body weight and specific growth rate (SGR) was significantly lower with the 2.5% feeding rate than with the others, at both stocking densities; however, no significant differences were observed between the other feeding rates and between stocking densities. The best feed conversion ratio (FCR) of 1.37 was achieved with the 2.5% feeding rate and stocking density of 40 fry/80 l; yet, in terms of total yield and survival the optimal FCR of 1.50 was obtained with the 5.0% feeding rate and 40 fry/80 l. At the 10.0% feeding rate survival rates were significantly lower. Both feeding ratio and stocking density also affected water quality parameters.

Abstract

Two stocking densities (20 and 40 fry/80-l tank) with 4 feeding rates (2.5%, 5.0%, 7.5%, and 10.0% body weight/day) were used to determine the optimum feeding level for himri barbel fry during a 60-day culture period. Water quality parameters (temperature, dissolved oxygen, pH, and total ammonia nitrogen) were monitored during the experiment. Final body weight and specific growth rate (SGR) was significantly lower with the 2.5% feeding rate than with the others, at both stocking densities; however, no significant differences were observed between the other feeding rates and between stocking densities. The best feed conversion ratio (FCR) of 1.37 was achieved with the 2.5% feeding rate and stocking density of 40 fry/80 l; yet, in terms of total yield and survival the optimal FCR of 1.50 was obtained with the 5.0% feeding rate and 40 fry/80 l. At the 10.0% feeding rate survival rates were significantly lower. Both feeding ratio and stocking density also affected water quality parameters.

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Bu Makaleye Atıf Yap

GÖKÇEK, K., TEPE, Y. (2009). The Effects of Feeding Level and Stocking Density on the Growth and Feed Efficiency of Himri Barbel Fry, Barbus luteus (Heckel, 1843). Turkish Journal of Veterinary and Animal Sciences, Cilt: 33 - Sayı: 1, 21–25. https://ajindex.com/articles/122067

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Kaynakça (14)

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