Morphological characteristics and nutritive value of wild and cultured bigfin reef squid (Sepioteuthis lessoniana)

Satjarak, Jirapan; Thongprajukaew, Karun; Kaewtapee, Chantana; Rodjan, Prawit; Preedaphol, Kannika

doi:10.1016/j.jfca.2021.104356

Cited by 3 publications

(2 citation statements)

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“…Cephalopod aquaculture is still in its infancy when compared to the well-established technologies of fish and shrimp farming, but the rapid cephalopod growth and high edible content make them promising organisms for aquaculture 2 , 3 . Considering that up to 50% of the production loss in fish culture is caused by diseases, there is a need for research, especially in the field of disease management, for squid farming to reach its full potential 31 .…”

Section: Discussionmentioning

confidence: 99%

“…Thus, it is important to look for alternative species that are suitable for intensive aquaculture. Cephalopods, such as squids, are promising not only as animal models in various kinds of fundamental research, but also as alternative aquaculture animals because they have a high growth rate 2 , 3 , high protein content 3 , and high market value 2 , 3 . Additionally, they are reaching market size in less than one year which makes them a preferable option for many fisheries 3 , 4 .…”

Section: Introductionmentioning

confidence: 99%

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Peracetic acid treatment of squid eggs infected with parasitic copepod (Ikanecator primus gen. et sp. nov.)

Zoral,

Lajbner,

Zifcakova

et al. 2024

Sci Rep

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Having been successfully bred in semi-intensive and intensive aquaculture systems, oval squids of the Sepioteuthis lessoniana species complex are emerging as promising candidates for research and industry. Nevertheless, information about pathogens and diseases that may affect squid aquaculture remains sparse. In this study, we identify new parasitic copepod species that causes squid mortality and decreases squid hatching rates, and we also offer a solution to eliminate the pathogen during incubation of squid eggs. The newly discovered copepod Ikanecator primus gen. et sp. nov. was identified on oval squid eggs for the first time using both morphological and molecular diagnostic markers. In the genomes of the copepod and associated microbiome, we identified multiple genes for enzymes involved in cephalopod eggshell degradation in genomes of the copepod and associated microbiome. Furthermore, we conducted experiments to assess efficacy of peracetic acid in inhibiting the I. primus gen. et sp. nov. both in vitro and in vivo using immersion treatment. We established that a 2-min exposure to a concentration of 250 μl/L of peracetic acid containing product (PAA-product; 35 mg/L PAA and 15 mg/L H2O2) inhibited the development of nauplii in vitro. All parasites exposed to a concentration of 500 μl/L of PAA-product (70 mg/L PAA and 30 mg/L H2O2) were eliminated within two minutes. On top of this, the immersion treatment with 500 μl/L of PAA-product (70 mg/L PAA and 30 mg/L H2O2) improved survival of squid embryos and increased size of squid hatchlings compared with control and the immersion treatment with 125 μl/L of PAA-product (17.5 mg/L PAA and 7.5 mg/L H2O2) and the immersion treatment with 250 μl/L of PAA-product (35 mg/L PAA and 15 mg/L H2O2). These findings suggest that PAA holds a great potential as inhibitor and controller of parasitic copepod infections and for overall health management in cephalopod culture.

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Section: Discussionmentioning

confidence: 99%