ABSTRACT Fish production is an important source of food and livelihood for people along the seashores and waterways worldwide. In recent decades, aquaculture expanded faster than any other livestock sector. This rise is mainly driven by the increasing request for protein of animal origin due to the increasing world population and problems for food security in some areas of the world and also due to the many benefits that fish consumption can provide to human health. As a result of aquaculture expansion, the amount of waste and loss generated in the fish chain has also increased. The disposal of these residues represents a great problem to solve. A sustainable way to recycle this waste is to process it in animal feeding, one of the most expensive cost items in animal husbandry. A circular approach that might be applied is ensiling: fish silage is a liquid, nutrient, easily digestible material for animals and cheap to produce. This process is highly recommended in countries such as Cuba, where food production has been limited for years. Objective of this study was to characterize physically and chemically the properties of fish silage and of pellets obtained using the latter to best valorize these processing residues and to pose an alternative to the possibility of their drying for use in fish feeding. Physicochemical characterization of fish silage produced showed that this process is easily feasible (respecting pH and temperature parameters necessary for proper ensiling); however, the liquidness of this material must be taken into concern for aquafeed production.
FROM WASTE TO FEED: YIELD AND PHYSICOCHEMICAL CHARACTERIZATION OF FISH SILAGE / Parisi, G.; Tignani, M.V.; Lira de Medeiros, A.C.; Llanes J.; Garbati Pegna, F.. - ELETTRONICO. - (2022), pp. 1-5. (Intervento presentato al convegno CONVENCIÓN PRODUCCIÓN ANIMAL Y AGRODESARROLLO 2022 ¨Por la sostenibilidad, resiliencia y equidad de los sistemas agrarios¨ tenutosi a La Habana, Cuba nel 10-14 Ottobre).
FROM WASTE TO FEED: YIELD AND PHYSICOCHEMICAL CHARACTERIZATION OF FISH SILAGE
Parisi, G.
;Tignani, M. V.;Lira de Medeiros, A. C.;Garbati Pegna, F.
2022
Abstract
ABSTRACT Fish production is an important source of food and livelihood for people along the seashores and waterways worldwide. In recent decades, aquaculture expanded faster than any other livestock sector. This rise is mainly driven by the increasing request for protein of animal origin due to the increasing world population and problems for food security in some areas of the world and also due to the many benefits that fish consumption can provide to human health. As a result of aquaculture expansion, the amount of waste and loss generated in the fish chain has also increased. The disposal of these residues represents a great problem to solve. A sustainable way to recycle this waste is to process it in animal feeding, one of the most expensive cost items in animal husbandry. A circular approach that might be applied is ensiling: fish silage is a liquid, nutrient, easily digestible material for animals and cheap to produce. This process is highly recommended in countries such as Cuba, where food production has been limited for years. Objective of this study was to characterize physically and chemically the properties of fish silage and of pellets obtained using the latter to best valorize these processing residues and to pose an alternative to the possibility of their drying for use in fish feeding. Physicochemical characterization of fish silage produced showed that this process is easily feasible (respecting pH and temperature parameters necessary for proper ensiling); however, the liquidness of this material must be taken into concern for aquafeed production.
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