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Volume 8
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10.3390/fishes8020110
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Article

Different Animal Metabolism Markers for Artemia Nauplii in Crude Protein Digestibility Assay for Lophiosilurus alexandri Larvae

by
Jaqueline Simões Saliba
1,
Fabio Aremil Costa dos Santos
1,
Eloísa de Oliveira Simões Saliba
2 and
Ronald Kennedy Luz
1,*
1
Departamento de Zootecnia, Laboratório de Aquacultura, Universidade Federal de Minas Gerais, Av. Presidente Antônio Carlos, n° 6627, Belo Horizonte 30161-970, MG, Brazil
2
Departamento de Zootecnia, Laboratório de Nutrição, Universidade Federal de Minas Gerais, Av. Presidente Antônio Carlos, n° 6627, Belo Horizonte 30161-970, MG, Brazil
*
Author to whom correspondence should be addressed.
Fishes 2023, 8(2), 110; https://doi.org/10.3390/fishes8020110
Submission received: 19 December 2022 / Revised: 5 February 2023 / Accepted: 10 February 2023 / Published: 14 February 2023
(This article belongs to the Special Issue Fish Nutrition and Physiology)
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Abstract

This work aimed to develop a methodology for marking Artemia with different markers and evaluating their passage rate and digestibility in Lophiosilurus alexandri larvae of different ages. In the first phase, Artemia nauplii were marked 28 h after hatching with chromium oxide, titanium dioxide and NANOLIPE®. Contact times with the markers were 30, 60, 90 min at a concentration of 500 mg/L. Titanium dioxide had a higher concentration in Artemia than the other markers. The passage rate did not differ significantly between titanium and NANOLIPE®. In the second phase, the apparent digestibility of the protein in Artemia nauplii was evaluated for L. alexandri larvae at three ages. Average real protein digestibility at the three ages was 95.08%, demonstrating Artemia as a good quality food. All ages exhibited the same final time of fecal excretion of 30 min after feeding. Artemia nauplii presented satisfactory results for assimilation for all markers tested. In determining the digestibility of Artemia protein, we can conclude that chromium oxide and NANOLIPE® were good markers of animal metabolism and titanium dioxide was the worst marker of Artemia digestibility for the initial stages of L. alexandri.
Keywords: larviculture; digestibility marker; Neotropical catfish; nutrition; apparent digestibility coefficient; crude protein; life food larviculture; digestibility marker; Neotropical catfish; nutrition; apparent digestibility coefficient; crude protein; life food

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MDPI and ACS Style

Saliba, J.S.; Santos, F.A.C.d.; Saliba, E.d.O.S.; Luz, R.K. Different Animal Metabolism Markers for Artemia Nauplii in Crude Protein Digestibility Assay for Lophiosilurus alexandri Larvae. Fishes 2023, 8, 110. https://doi.org/10.3390/fishes8020110

AMA Style

Saliba JS, Santos FACd, Saliba EdOS, Luz RK. Different Animal Metabolism Markers for Artemia Nauplii in Crude Protein Digestibility Assay for Lophiosilurus alexandri Larvae. Fishes. 2023; 8(2):110. https://doi.org/10.3390/fishes8020110

Chicago/Turabian Style

Saliba, Jaqueline Simões, Fabio Aremil Costa dos Santos, Eloísa de Oliveira Simões Saliba, and Ronald Kennedy Luz. 2023. "Different Animal Metabolism Markers for Artemia Nauplii in Crude Protein Digestibility Assay for Lophiosilurus alexandri Larvae" Fishes 8, no. 2: 110. https://doi.org/10.3390/fishes8020110

APA Style

Saliba, J. S., Santos, F. A. C. d., Saliba, E. d. O. S., & Luz, R. K. (2023). Different Animal Metabolism Markers for Artemia Nauplii in Crude Protein Digestibility Assay for Lophiosilurus alexandri Larvae. Fishes, 8(2), 110. https://doi.org/10.3390/fishes8020110

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