Feeding response of marble goby ( Oxyeleotris marmorata ) to organic acids, amino acids, sugars and some classical taste substances

Lim, Leong‐Seng; Lai, Sian-Kang Jason; Yong, Annita Seok Kian; Shapawi, Rossita; Kawamura, Gunzo

doi:10.1016/j.applanim.2017.06.014

Cited by 18 publications

(17 citation statements)

References 15 publications

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“…Therefore, the high ingestion ratio of the highly acidic TS pellets in the present study also could be contributed by the Cl -ion. However, such hypothesis could not have the vigor of the experimental trials because NaCl and CaCl were also reported as the taste-indifferent substance for many fish species (Kasumyan and Døving 2003), including O. marmorata (Lim et al 2017).…”

Section: Resultsmentioning

confidence: 99%

“…Subsequently, the mixture was poured into a glass petri dish for cooling and hardening. The hardened mixture were then cut into uniform pellet size (approximately 2 mm 9 2 mm 9 2 mm) and stored in a refrigerator (4°C) until further use (Lim et al 2015(Lim et al , 2016(Lim et al , 2017. For preparing the FT pellet, the distilled water was replaced by the commercial pellet (Otohime EP3) extract.…”

Section: Preparation Of Agar Gel Pelletsmentioning

confidence: 99%

“…Before the behavioral test started, all the fish were conditioned to accept agar gel pellet using the FT pellet. The fish conditioning protocol was the same as described by Lim et al (2016Lim et al ( , 2017. Each individual of fish was conditioned once daily at 04:00 p.m. with three pieces of FT pellet.…”

Section: Experimental Fishmentioning

confidence: 99%

“…The procedures of the behavioral test used in the present study were adopted from Lim et al (2016Lim et al ( , 2017. The test was started at 04:00 p.m. daily.…”

Section: Behavioural Assaysmentioning

confidence: 99%

“…For these reasons, there is a need to find way to improve the acceptability of formulated feeds to O. marmorata. In the previous studies, amino acids mixture and nucleotides were reported as the suitable feeding stimulant through behavioural assays (Lim et al 2015(Lim et al , 2016(Lim et al , 2017 and dietary supplementation of these taste substances can be practiced to improve the weaning of O. marmorata (Lai et al in press). However, amino acid mixture and nucleotides are expensive and supplementation of these taste substances in the practical diet for O. marmorata may not be cost-effective.…”

Section: Introductionmentioning

confidence: 99%

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Remarkably high ingestion ratio of acidic food in juvenile marble goby, Oxyeleotris marmorata

2017

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Behavioral test was conducted to determine the level of food pH which was preferable by the juvenile marble goby, Oxyeleotris marmorata (50 individuals or replicates; total length 6.6-7.0 cm) using agar gel pellets. Eight pH levels of agar gel pellets were prepared (pH 2.4, 3.0, 3.2, 3.4, 4.1, 4.9, 5.1, and the pure agar gel pellet without pH modification-pH 5.9). The ingestion ratio for each pH treatment of agar gel pellet was calculated, and the binary data (ingested or rejected) was analyzed using binomial test. Negative relationship was found between the ingestion ratio and pH level of the agar gel pellets. The highest ingestion ratio was found in the agar gel pellet with pH 2.4 (ingestion ratio, 94%), following by pH 3 (85%), pH 3.2 (3% agar gel powder; 65%), pH 3.2 (2% agar gel powder; 58%), pH 3.4 (24%), pH 4.1 (6%), pH 4.9 (6%), pH 5.1 (6%), and pH 5.9 (2%). The ingestion ratio of pH 2.4 agar gel pellet was significantly higher (P \ 0.05) than that in the other treatments except that of pH 3.0. These results confirmed the taste preference of O. marmorata for acidic foods, and the most preferred was the one with pH 2.4-3.0.

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Section: Resultsmentioning

confidence: 99%

Section: Preparation Of Agar Gel Pelletsmentioning

confidence: 99%

Section: Experimental Fishmentioning

confidence: 99%

“…The procedures of the behavioral test used in the present study were adopted from Lim et al (2016Lim et al ( , 2017. The test was started at 04:00 p.m. daily.…”

Section: Behavioural Assaysmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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