World Aquaculture - March 2023

WWW.WAS.ORG • WORLD AQUACULTURE • MARCH 2023 43 Notes Murilo H. Quintiliano, Executive Director, Animal Scientist; Sara Barrento, Marine Biologist; Amy Wilson, Biologist, FAI Farms, Londrina, Brazil. murilo. quintiliano@faifarms.com Ana Silvia Pedrazzani, Wai Ora – Aquaculture and Environmental Technology, Água Verde, Curitiba, Brazil. References Ankamah-Yeboah, I., J.B. Jacobsen, S.B. Olsen, M. Nielsen and R. Nielsen. 2019. The impact of animal welfare and environmental information on the choice of organic fish: An empirical investigation of German trout consumers. Marine TABLE 2. Health indicators and the three-score thresholds. Indicators Score Grow-out and finish Eyes 1 Normal and healthy appearance 2 Unilateral (one eye): bleeding, swollen eye or traumatic injury 3 Bilateral (two eyes): bleeding, swollen eye or traumatic injury; chronic condition, impaired vision Jaws and mouth 1 Normal aspect, healthy 2 Moderate bleeding, redness or injury or deformity (without affecting eating) 3 Severe bleeding, redness or injury or deformity (affecting eating) Jaws and mouth 1 Normal aspect, healthy 2 Moderate bleeding, redness or injury or deformity (without affecting eating) 3 Severe bleeding, redness or injury or deformity (affecting eating) Operculum 1 Normal and healthy appearance 2 Absence of tissue (<25%) 3 Bleeding, redness, absence of tissue (≥ 25%) Skin 1 Normal, healthy appearance 2 Localised loss of scales, ulcers or superficial lesions <1 cm2 3 Rising or general loss of scales, ulcers or superficial lesions >1 cm2, redness, necrosis, darkening or lightening, bleeding, swelling, presence of parasites Fins 1 Normal, healthy appearance 2 Scar tissue, mild necrosis or splitting 3 Severe necrosis or bleeding, redness, exposure of rays, adhered foreign body/ectoparasite Gills 1 Normal, healthy appearance 2 Ligh injury, mild necrosis, splitting or thickening 3 Bleeding, redness, pallor, severe necrosis, excess of mucus, spots, swelling, deformation, adhered foreign body, ectoparasite Spine 1 Normal structure 2 Light deformity (kyphosis, lordosis or scoliosis, normal weight) 3 Severe deformity (kyphosis, lordosis or scoliosis, weight loss) Ectoparasites 1 No infestation 2 Moderate infestation (≤ 5 ectoparasites) 3 Intense infestation (>5 parasites) Mortality 1 ≤10 2 11 to 25 3 ≥26 (CONTINUED ON PAGE 44) Resource Economics 34:248-266. doi:10.1086/705235 Birch, J. 2017. Animal sentience and the Precautionary Principle. Animal Sentience 16(1). doi. org/10.51291/2377-7478.1200. Birch, J., D.M. Broom, H. Browning, A. Crump, S. Ginsburg, M. Halina, D. Harrison, E. Jablonka, A.Y. Lee, and F. Kammerer, C. Klein, V. Lamme, M. Michel, F. Wemelsfelder and O. Zacks. 2022. How should we study animal consciousness scientifically? Journal of Consciousness Studies 29(3-4):8-28. Branson, E.J., editor. 2008. Fish Welfare. Oxford, UK. Blackwell Publishing. FIGURE 7. The Tilapia Welfare App.

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