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    Status of Aquarium Fish and Plants in Asia
    (2026-01-01)
    Kantha, Phunsin
    ;
    Dokkaew, Sahabhop
    ;
    Sirisuay, Soranuth
    ;
    Kitikiew, Suwaree
    ;
    Nhan, Hua Thai
    The ornamental aquarium market thrives on live organisms from wild captures and breeding programs, with over 90% of freshwater species and half of traded species sourced from breeding initiatives. Breeding marine species such as clownfish, marine angelfish, tang/surgeonfish, and corals 20has recently expanded, reflecting a shift towards sustainability and ecological conservation. In Asia, aquarium hobbyists blend ornamental fish and aquatic plants into miniature aquatic ecosystems, marking aquascaping’s evolution from traditional fishkeeping to intricate underwater landscapes. Rich biodiversity, complex layouts, and integration of natural processes like photosynthesis and the nitrogen cycle characterize Asian aquascaping. International recognition of Asian aquascapers at competitions like the World Aquascape Championships (IAPLC) underscores the global community’s pivotal role in the art’s continuous growth and innovation. This chapter further examines breeding techniques, ecological roles, and aesthetic contributions of aquatic life in Asia, highlighting sustainable practices and responsible stewardship essential for industry viability. Emphasizing ecological conservation, the chapter advocates for a balanced approach respecting both artistic expression and environmental sustainability, urging continued research, collaboration, and active community involvement to ensure an ecologically responsible future for this unique intersection of art and nature.
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    Dietary Wolffia arrhiza meal as a substitute for soybean meal: Its effects on the productive performance and egg quality of laying Japanese quails
    (2012-09-01)
    Suppadit, Tawadchai
    ;
    Jaturasitha, Sanchai
    ;
    Sunthorn, Napassawan
    ;
    Poungsuk, Pukkapong
    Wolffia arrhiza meal (WAM) was evaluated as a protein replacement for soybean meal (SBM) in the diet of laying Japanese quails. A total of 480 4-week-old laying quails were randomly allocated to form six groups in a completely randomized design. Each group contained four replicates, with 20 quails per replicate. WAM was incorporated into the diets at levels of 0, 4.00, 8.00, 12.0, 16.0 and 20.0%. The results showed that feed intake per bird per day, daily egg-laying rate, feed cost per 100 egg weight, egg width, egg length, egg weight, eggshell thickness, yolk height and shell quality characteristics in terms of breaking time, Young's modulus, work, maximum force, fracturability, breaking stress, stiffness and power showed no statistically significant differences (P > 0.05) among the 0 to 16.0% levels of WAM. However, these performance measures were significantly lower with 20.0% WAM in the formulated ration (P < 0.05). Mortality showed no significant differences among dietary treatments (P > 0.05). The color intensity of the yolk increased as SBM was replaced with increasing amounts of WAM (P < 0.05). In conclusion, WAM could be successfully used in place of SBM. However, the amount used should not exceed 16.0%. © 2012 Springer Science+Business Media B.V.
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