Investigating the Genetic and Dietary Factors Influencing Foot Muscle Color and Growth in <i>Haliotis gigantea</i>
<i>Haliotis gigantea</i>, a commercially cultivated abalone in China, predominantly displays the pale-yellow-footed trait. However, a limited occurrence of the orange-footed muscle trait makes it a valuable candidate for breeding programs. In our research, we examined the inheritance pat...
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MDPI AG
2023-08-01
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| author | Yizhou Ke Wencui Zeng Xiaolong Gao Mingyi Cai Weiwei You |
| author_facet | Yizhou Ke Wencui Zeng Xiaolong Gao Mingyi Cai Weiwei You |
| author_sort | Yizhou Ke |
| collection | DOAJ |
| description | <i>Haliotis gigantea</i>, a commercially cultivated abalone in China, predominantly displays the pale-yellow-footed trait. However, a limited occurrence of the orange-footed muscle trait makes it a valuable candidate for breeding programs. In our research, we examined the inheritance pattern of the orange-footed trait and conducted a 90-day feeding trial for <i>H. gigantea</i> to compare the influence of formulated feed and macroalgae on pigment enrichment and growth rates. Our results suggest that the orange-footed trait has a recessive nature relative to its common counterpart and demonstrates stable inheritance. We also identified a significant correlation between color-difference values (a*) and total carotenoid content (TCC) (R<sup>2</sup> = 0.955, <i>p</i> < 0.05), suggesting the TCC in abalone foot muscle can be estimated using the a* value. Furthermore, introducing carotenoids to formulated feed imparts an orange hue to the foot muscle, but this effect is inferior compared to using <i>Gracilariopsis lemaneiformis</i> with a similar carotenoid content. This suggests that <i>H. gigantea</i> has a higher absorption efficiency for the carotenoids from the macroalgae <i>G. lemaneiformis</i> compared to formulated feed. Growth assessments indicate that the formulated feed, enriched with higher crude protein than <i>G. lemaneiformis</i>, optimally supports <i>H. gigantea</i> growth. Our findings furnish valuable insights that could steer breeding strategies and feeding practices towards achieving the orange-footed muscle trait in <i>H. gigantea</i>. |
| first_indexed | 2024-03-10T22:46:17Z |
| format | Article |
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| institution | Directory Open Access Journal |
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| language | English |
| last_indexed | 2024-03-10T22:46:17Z |
| publishDate | 2023-08-01 |
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| series | Fishes |
| spelling | doaj.art-637f8d97210b42de8816466c4cb66c252023-11-19T10:40:46ZengMDPI AGFishes2410-38882023-08-018944310.3390/fishes8090443Investigating the Genetic and Dietary Factors Influencing Foot Muscle Color and Growth in <i>Haliotis gigantea</i>Yizhou Ke0Wencui Zeng1Xiaolong Gao2Mingyi Cai3Weiwei You4College of Fisheries, Jimei University, Xiamen 361021, ChinaState Key Laboratory of Mariculture Breeding, College of Ocean and Earth Sciences, Xiamen University, Xiamen 361102, ChinaState Key Laboratory of Mariculture Breeding, College of Ocean and Earth Sciences, Xiamen University, Xiamen 361102, ChinaCollege of Fisheries, Jimei University, Xiamen 361021, ChinaState Key Laboratory of Mariculture Breeding, College of Ocean and Earth Sciences, Xiamen University, Xiamen 361102, China<i>Haliotis gigantea</i>, a commercially cultivated abalone in China, predominantly displays the pale-yellow-footed trait. However, a limited occurrence of the orange-footed muscle trait makes it a valuable candidate for breeding programs. In our research, we examined the inheritance pattern of the orange-footed trait and conducted a 90-day feeding trial for <i>H. gigantea</i> to compare the influence of formulated feed and macroalgae on pigment enrichment and growth rates. Our results suggest that the orange-footed trait has a recessive nature relative to its common counterpart and demonstrates stable inheritance. We also identified a significant correlation between color-difference values (a*) and total carotenoid content (TCC) (R<sup>2</sup> = 0.955, <i>p</i> < 0.05), suggesting the TCC in abalone foot muscle can be estimated using the a* value. Furthermore, introducing carotenoids to formulated feed imparts an orange hue to the foot muscle, but this effect is inferior compared to using <i>Gracilariopsis lemaneiformis</i> with a similar carotenoid content. This suggests that <i>H. gigantea</i> has a higher absorption efficiency for the carotenoids from the macroalgae <i>G. lemaneiformis</i> compared to formulated feed. Growth assessments indicate that the formulated feed, enriched with higher crude protein than <i>G. lemaneiformis</i>, optimally supports <i>H. gigantea</i> growth. Our findings furnish valuable insights that could steer breeding strategies and feeding practices towards achieving the orange-footed muscle trait in <i>H. gigantea</i>.https://www.mdpi.com/2410-3888/8/9/443<i>H. gigantea</i>foot colorinheritance patterncarotenoidfeed |
| spellingShingle | Yizhou Ke Wencui Zeng Xiaolong Gao Mingyi Cai Weiwei You Investigating the Genetic and Dietary Factors Influencing Foot Muscle Color and Growth in <i>Haliotis gigantea</i> Fishes <i>H. gigantea</i> foot color inheritance pattern carotenoid feed |
| title | Investigating the Genetic and Dietary Factors Influencing Foot Muscle Color and Growth in <i>Haliotis gigantea</i> |
| title_full | Investigating the Genetic and Dietary Factors Influencing Foot Muscle Color and Growth in <i>Haliotis gigantea</i> |
| title_fullStr | Investigating the Genetic and Dietary Factors Influencing Foot Muscle Color and Growth in <i>Haliotis gigantea</i> |
| title_full_unstemmed | Investigating the Genetic and Dietary Factors Influencing Foot Muscle Color and Growth in <i>Haliotis gigantea</i> |
| title_short | Investigating the Genetic and Dietary Factors Influencing Foot Muscle Color and Growth in <i>Haliotis gigantea</i> |
| title_sort | investigating the genetic and dietary factors influencing foot muscle color and growth in i haliotis gigantea i |
| topic | <i>H. gigantea</i> foot color inheritance pattern carotenoid feed |
| url | https://www.mdpi.com/2410-3888/8/9/443 |
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