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Response of juvenile tench (Tinca tinca L.) fed practical diets with different protein contents and substitution levels of fish meal by soybean meal

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A basal practical diet for juvenile tench (Tinca tinca) was formulated and elaborated to test several protein contents and substitution possibilities of fish meal (FM) by soybean meal (SBM) in a 90- day trial with 5-month-old juveniles (30.54 mm TL, 0.30 g W). A factorial design included nine feeding treatments: three protein contents (50%, 40% or 30%) and three levels of replacement (0%, 25% or 45%) of FM protein by SBM protein. In addition, a commercial carp feed was used as reference. Final survival ranged from 98.2% to 99.4%. The 50% dietary protein with 0% or 25%
replacement and 40% dietary protein with 25% replacement diets enabled higher growth (P < 0.05) and lower FCR (P < 0.05) than the rest of practical diets. Fish fed 50% dietary protein had similar growth than those fed carp feed (63.8% protein). Deformed fish averaged 1% for the practical diets and 87.6% for the carp feed. The basal practical diet has showed to be feasible and levels of 40–50% dietary protein with 25% replacement of FM protein by SBM protein can be recommended for juvenile tench aged 5–8 months.

Keywords: Tinca tinca, juveniles, practical diet,dietary protein, fish meal, soybean meal

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Ketersediaan

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Informasi Detail

Judul Seri

Aquaculture Research

No. Panggil

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Penerbit

Spain : John Wiley & Sons Ltd., 2013

Deskripsi Fisik

Aquaculture Research 2015

Bahasa

English

ISBN/ISSN

doi:10.1111/are.1215

Klasifikasi

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Tipe Isi

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Tipe Media

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Tipe Pembawa

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Edisi

2015, 46, 28–38

Subjek

PERIKANAN

Info Detail Spesifik

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Pernyataan Tanggungjawab

Mutia/Agus

Versi lain/terkait

Lampiran Berkas

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