Survey on Quality of Commercial Probiotic Products Used for Marine Culture of Ornamental Fish การสำรวจคุณภาพของผลิตภัณฑ์โพรไบโอติกทางการค้าที่ใช้เพาะเลี้ยงปลาทะเลสวยงาม

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Subuntith Nimrat
Worapod Sae-Kow
Verapong Vuthiphandchai

Abstract

The objective of this study was to investigate the qualities of five commercial probiotic products for culture of marine ornamental fish by examining label information, in vitro ability of nutrient digestion (proteins, carbohydrates, and lipids), and effectiveness of ammonia reduction in seawater. All samples were imported probiotic products and showed information of product names, production sites, importer names, contents, including instructions, usage sizes, and usage ratio on their labels. However, all product samples did not meet the standards according to the Notification of the Ministry of Agriculture and Cooperatives (2016) due to the absence of manufactured dates and expiry dates on their labels. There were only 3 probiotic products (60%) declaring total viable count of bacteria on the labels by which 2 products (40%) contained the viable count less than those labeled on the products. Only protein was digested by almost all probiotic products, except product D. Only product E could digest all tested nutrients (protein, carbohydrate, and lipid). Finally, only product B was the most effective product to reduce ammonia. It showed 86.15% of ammonia reduction within 15-day incubation while other products exhibited low efficacy of ammonia reduction (<10%). This study indicated that most probiotic products sole in Thailand did not meet the standard and were ineffective for setting up the wastewater treatment system in the aquarium of marine ornamental fish.

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บทความวิจัย (Research Articles)

References

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