Effects of dietary manganese supplementation on the growth performance, tissue manganese content and antioxidant capacity of coho salmon (Oncorhynchus kisutch) post-smolts

Yu, Leyong; Li, Lingyao; Yu, Hairui; Yuan, Ziyi; Ma, Chaoyang; Wu, Xiaojing; Kong, Weiguang

doi:10.1016/j.aqrep.2024.101924

Aquaculture Reports

2024

DOI: 10.1016/j.aqrep.2024.101924

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Effects of dietary manganese supplementation on the growth performance, tissue manganese content and antioxidant capacity of coho salmon (Oncorhynchus kisutch) post-smolts

Leyong Yu,

Lingyao Li,

Hairui Yu

et al.

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2024

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Cited by 2 publications

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Nanoparticle-Enhanced Fish Feed: Benefits and Challenges

Dube

2024

Fishes

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Aquaculture production is continuously increasing, consequently increasing the demand for feed. Unfortunately, the reliance on fish meal and fish oil also raises sustainability issues due to overfishing and resource depletion. Nanoparticle-enhanced feed presents a promising solution to these challenges. Nanoparticles, with their large surface area-to-volume ratio and encapsulation capabilities, significantly improve nutrient delivery, absorption, and utilization, enhancing growth and health. Their immune-modulatory and antimicrobial properties reduce antibiotic use and support sustainability. This review explores different nanoparticles in fish feed, including metal-based, non-metal-based, and composite types, each offering benefits for fish growth and health. It highlights the advantages of nanoparticle-enhanced feed, such as improved nutrient delivery, immune enhancement, antimicrobial action, stress reduction, and environmental sustainability. Concerns like potential toxicity, safety, bioaccumulation, and environmental impacts of nanoparticles, together with measures of addressing these concerns, are also highlighted. The review concludes with insights into future research directions.

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Nanoparticle-Enhanced Fish Feed: Benefits and Challenges

Dube

2024

Fishes

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Effects of Dietary Cobalt Levels on Growth Performance, Antioxidant Capacity, and Immune Status of Juvenile Largemouth Bass (Micropterus salmoides)

Huang,

Jahazi,

Ren

et al. 2024

Veterinary Sciences

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A 9-week experiment investigated the effects of dietary cobalt levels on the growth performance, antioxidant capacity, and immunity of largemouth bass. Six feed groups were designed and each group received different cobalt levels, including 0.129 mg/kg (control group), 0.192 mg/kg, 0.201 mg/kg, 0.233 mg/kg, 0.277 mg/kg, and 0.316 mg/kg. The results show that the control group (0.129 mg/kg diet) had the lowest final body weight (FBW), weight gain rate (WGR), and specific growth rate (SGR), and the highest feed conversion ratio (FCR), when compared to the cobalt supplementation groups. Dietary cobalt levels of 0.192 mg/kg increased the body protein content and decreased the body moisture content. Regarding antioxidant capacity, the highest catalase (CAT) activity was found in the 0.277 mg/kg dietary cobalt group, while the malondialdehyde (MDA) content was significantly diminished; the total antioxidant capacity (T-AOC) content and glutathione peroxidase (GSH-Px) activity exhibited the highest values in the 0.192 mg/kg and 0.233 mg/kg dietary cobalt groups, respectively. Regarding gene expression, compared with the control group, the mRNA expression of sod was upregulated in the 0.192 mg/kg, 0.233 mg/kg, and 0.277 mg/kg dietary cobalt groups, while the mRNA expression of gpx was diminished when dietary cobalt levels were below 0.233 mg/kg. In addition, the highest il-10 and tgf-β mRNA expression levels were observed in the 0.201 mg/kg and 0.233 mg/kg dietary cobalt groups, respectively. According to the quadratic regression analysis based on the SGR and FCR, the optimal requirement was 0.24 and 0.26 mg/kg of dietary cobalt, respectively.

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Effects of dietary manganese supplementation on the growth performance, tissue manganese content and antioxidant capacity of coho salmon (Oncorhynchus kisutch) post-smolts

Cited by 2 publications

References 54 publications

Nanoparticle-Enhanced Fish Feed: Benefits and Challenges

Nanoparticle-Enhanced Fish Feed: Benefits and Challenges

Effects of Dietary Cobalt Levels on Growth Performance, Antioxidant Capacity, and Immune Status of Juvenile Largemouth Bass (Micropterus salmoides)

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