Low-fishmeal and protein-saving diets are two prominent nutritional strategies utilized to address challenges related to the scarcity and sustainability of protein sources in aquaculture.However,these diets have been ...Low-fishmeal and protein-saving diets are two prominent nutritional strategies utilized to address challenges related to the scarcity and sustainability of protein sources in aquaculture.However,these diets have been associated with adverse effects on the growth performance,feed utilization,and disease resistance of aquatic animals.To mitigate these challenges,exogenous protease has been applied to enhance the quality of diets with lower protein contents or fishmeal alternatives,thereby improving the bioavailability of nutritional ingredients.Additionally,protease preparations were also used to enzymatically hydrolyze fishmeal alternatives,thus enhancing their nutritional utilization.The present review aims to consolidate recent research progress on the use of protease in aquaculture and conclude the benefits and limitations of its application,thereby providing a comprehensive understanding of the subject and identifying opportunities for future research.展开更多
The aquafeed industry continues to expand in response to the rapidly growing aquaculture sector.However,the identification of alternative protein sources in aquatic animal diets to replace conventional sources due to ...The aquafeed industry continues to expand in response to the rapidly growing aquaculture sector.However,the identification of alternative protein sources in aquatic animal diets to replace conventional sources due to cost and sustainability issues remains a major challenge.Recently,insects have shown tremendous results as potential replacers of fishmeal in aquafeed.The present study aimed to review the utilization of insects in aquafeeds and their effects on aquatic animals’growth and feed utilization,immune response and disease resistance,and fish flesh quality and safety.While many insect species have been investigated in aquaculture,the black soldier fly(Hermetia illucens),and the mealworm(Tenebrio molitor)are the most studied and most promising insects to replace fishmeal in aquafeed.Generally,insect rearing conditions and biomass processing methods may affect the product’s nutritional composition,digestibility,shelf life and required insect inclusion level by aquatic animals.Also,insect-recommended inclusion levels for aquatic animals vary depending on the insect species used,biomass processing method,and test organism.Overall,while an appropriate inclusion level of insects in aquafeed provides several nutritional and health benefits to aquatic animals,more studies are needed to establish optimum requirements levels for different aquaculture species at different stages of development and under different culture systems.展开更多
基金supported by National Key Research and Development Program of China(2022YFD1300600)the Agricultural Science and Technology Innovation Program of CAAS,China(IFR-ZDRW202303)+1 种基金Beijing Innovation Consortium of Agriculture Research System(BAIC07-2023)Xinjiang key Research and Development Program(2022B02039-3)
文摘Low-fishmeal and protein-saving diets are two prominent nutritional strategies utilized to address challenges related to the scarcity and sustainability of protein sources in aquaculture.However,these diets have been associated with adverse effects on the growth performance,feed utilization,and disease resistance of aquatic animals.To mitigate these challenges,exogenous protease has been applied to enhance the quality of diets with lower protein contents or fishmeal alternatives,thereby improving the bioavailability of nutritional ingredients.Additionally,protease preparations were also used to enzymatically hydrolyze fishmeal alternatives,thus enhancing their nutritional utilization.The present review aims to consolidate recent research progress on the use of protease in aquaculture and conclude the benefits and limitations of its application,thereby providing a comprehensive understanding of the subject and identifying opportunities for future research.
基金funded by the Ministry of Education of Malaysia under the Fundamental Research Grant Scheme(FRGS)(R/FRGS/A07.00/00387A/005/2013/00107)Niche Research Grant Scheme(NRGS)(R/NRGS/A0.700/00387A/006/2014/00152)partially supported by Chiang Mai University。
文摘The aquafeed industry continues to expand in response to the rapidly growing aquaculture sector.However,the identification of alternative protein sources in aquatic animal diets to replace conventional sources due to cost and sustainability issues remains a major challenge.Recently,insects have shown tremendous results as potential replacers of fishmeal in aquafeed.The present study aimed to review the utilization of insects in aquafeeds and their effects on aquatic animals’growth and feed utilization,immune response and disease resistance,and fish flesh quality and safety.While many insect species have been investigated in aquaculture,the black soldier fly(Hermetia illucens),and the mealworm(Tenebrio molitor)are the most studied and most promising insects to replace fishmeal in aquafeed.Generally,insect rearing conditions and biomass processing methods may affect the product’s nutritional composition,digestibility,shelf life and required insect inclusion level by aquatic animals.Also,insect-recommended inclusion levels for aquatic animals vary depending on the insect species used,biomass processing method,and test organism.Overall,while an appropriate inclusion level of insects in aquafeed provides several nutritional and health benefits to aquatic animals,more studies are needed to establish optimum requirements levels for different aquaculture species at different stages of development and under different culture systems.
