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Comparison of three inert markers in measuring apparent nutrient digestibility of juvenile abalone under different culture condition and temperature regimes

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Nur, KU, Adams, L ORCID: 0000-0001-5535-5253, Stone, D, Savva, N and Adams, M ORCID: 0000-0002-5737-5474 2018 , 'Comparison of three inert markers in measuring apparent nutrient digestibility of juvenile abalone under different culture condition and temperature regimes', in A Isnansetyo and ID Puspita and NM Adzahan and S. Suadi and DWK Sari and AD Jayanti (eds.), IOP Conf. Series: Earth and Environmental Science , Institute of Physics Publishing Ltd., United Kingdom, 012004 , doi: 10.1088/1755-1315/139/1/012004.

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Abstract

A comparative research using three inert markers, chromic oxide, yttrium andytterbium to measure the apparent nutrient digestibility of experimental feed in juvenile Hybridabalone (Haliotis rubra X H. laevigata) and Greenlip abalone (H.laevigata) revealed thatapparent digestibility of crude protein (ADCP) measured using yttrium and ytterbium in hybridabalone were significantly different across the treatments. Protein digestibility measured inexperimental tanks was higher than those measured in indoor and outdoor commercial tanks,regardless of inert marker used. Chromic oxide led to overestimated ADCP compared to whenmeasured using yttrium and ytterbium. There were no significant interactions betweentemperature and inert markers when measuring ADCP and apparent digestibility of gross energy(ADGE). However, there was a significant difference of ADCP amongst inert markers whenmeasured in greenlip abalone cultured at two temperatures. While measurements of ADGEcalculated using three inert markers shared the same value.

Item Type: Conference Publication
Authors/Creators:Nur, KU and Adams, L and Stone, D and Savva, N and Adams, M
Keywords: abalone, digestibility, inert markers
Journal or Publication Title: IOP Conf. Series: Earth and Environmental Science
Publisher: Institute of Physics Publishing Ltd.
ISSN: 1755-1307
DOI / ID Number: 10.1088/1755-1315/139/1/012004
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Creative Commons Attribution licence CC BY 3.0

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