Argyrosomus Japanicus Research Paper - 3170 |||| Scientific classification, animaliaphylum: chordataclasse: actinopterygiiorder: perciformille: sciaenidaegenre: argyrosomusespèce: A. Japonicusnom binomialarGyrosomusntroidation is due to the Sciaenidae family. This family is commonly known as drums and croakers. Fishes in this family are mostly demersal and can be found in fresh, estuarine, and marine waters of temperate and subtropical regions of the Pacific, Indian, and Atlantic Oceans. There are approximately 70 genera and more than 270 species worldwide. A. japonicus are important predators of surf zones and estuaries, but reducing population numbers has a serious effect on the ecosystem, thereby encouraging fishing in the ecosystem. The dusky kob plays a vital role in South Africa's commercial and recreational linefish species which show a trend of abundance from Cape Agulhas to northern KZN. Around ten species of Sciaenidae are present on the South African coast. A. japonicus is a suitable candidate for marine aquaculture because the species has a high market value, is widely distributed, and has a rapid initial growth rate, salinity tolerance, etc. Dusky Kob was recently assessed using IUCN criteria and was considered vulnerable in South Africa. Infectious diseases and parasites pose the greatest threat to aquaculture. Overcrowding in cages has created breeding grounds for infections and parasitic diseases. Due to the lack of research carried out in South Africa on parasites, the information available is not sufficient to help alleviate the problem of parasites in aquaculture systems under development. A common infection found in Dusky Kob is the sea middle of paper...... artificial hatcheries and turn into huge fish at a young age. This species has a high tolerance to different water temperatures, drastic changes in pH and oxygen content, but can still withstand stressful conditions while growing optimally. A study was conducted over a period of 42 days to test the feed conversion rate (FCR) of this species and the results showed that feed conversion rate is closely related to temperature. The temperature should be 21.7°C to obtain the best FCR. The study focused on 2 tanks with an average of 21.7°C and 21.8°C. Temperature compliance should be maintained between the optimum temperature for growth of 25.3°C and the optimum temperature for feed efficiency is 21.7°C, using this information could possibly help minimize the cost of feeding livestock in cages having a less negative effect. on the growth of the species.

Essay / Argyrosomus Japanicus Research Paper - 3170 |||| Scientific classification, animaliaphylum: chordataclasse: actinopterygiiorder: perciformille: sciaenidaegenre: argyrosomusespèce: A. Japonicusnom binomialarGyrosomusntroidation is due to the Sciaenidae family. This family is commonly known as drums and croakers. Fishes in this family are mostly demersal and can be found in fresh, estuarine, and marine waters of temperate and subtropical regions of the Pacific, Indian, and Atlantic Oceans. There are approximately 70 genera and more than 270 species worldwide. A. japonicus are important predators of surf zones and estuaries, but reducing population numbers has a serious effect on the ecosystem, thereby encouraging fishing in the ecosystem. The dusky kob plays a vital role in South Africa's commercial and recreational linefish species which show a trend of abundance from Cape Agulhas to northern KZN. Around ten species of Sciaenidae are present on the South African coast. A. japonicus is a suitable candidate for marine aquaculture because the species has a high market value, is widely distributed, and has a rapid initial growth rate, salinity tolerance, etc. Dusky Kob was recently assessed using IUCN criteria and was considered vulnerable in South Africa. Infectious diseases and parasites pose the greatest threat to aquaculture. Overcrowding in cages has created breeding grounds for infections and parasitic diseases. Due to the lack of research carried out in South Africa on parasites, the information available is not sufficient to help alleviate the problem of parasites in aquaculture systems under development. A common infection found in Dusky Kob is the sea middle of paper...... artificial hatcheries and turn into huge fish at a young age. This species has a high tolerance to different water temperatures, drastic changes in pH and oxygen content, but can still withstand stressful conditions while growing optimally. A study was conducted over a period of 42 days to test the feed conversion rate (FCR) of this species and the results showed that feed conversion rate is closely related to temperature. The temperature should be 21.7°C to obtain the best FCR. The study focused on 2 tanks with an average of 21.7°C and 21.8°C. Temperature compliance should be maintained between the optimum temperature for growth of 25.3°C and the optimum temperature for feed efficiency is 21.7°C, using this information could possibly help minimize the cost of feeding livestock in cages having a less negative effect. on the growth of the species.

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