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From fish‐processing waste to feed additives for crayfish
- Source :
- Journal of the World Aquaculture Society. 50:954-968
- Publication Year :
- 2019
- Publisher :
- Wiley, 2019.
-
Abstract
- This research studied the in vitro compatibility of Cherax quadricarinatus digestive proteases and crude enzyme extracts recovered from fish-processing waste to evaluate their potential use as feed additives to increase digestion efficiency in decapod crustaceans. The sources of exogenous enzymes were: Pleoticus muelleri (Pm), Artemesia longinaris (Al), and Illex argentinus (Ia). The midgut glands of early (7.2 ± 0.34 g) and advanced juveniles (13.8 ± 1.49 g) of C. quadricarinatus were used for all the assays. The compatibility and synergy between crayfish and exogenous enzymes were evaluated through sodium dodecyl sulfate?polyacrylamide gel electrophoresis (SDS?PAGE) electrophoresis and the hydrolysis of azocasein and four different meals. SDS?PAGE gels demonstrated that crayfish bands remained active when their enzymes were combined with the enzymes from Pm and Ia. An apparent enzymatic synergism was found when Pm and crayfish proteases were incubated together at pH 6 and 8 with azocasein (p ˂ 0.05). The ability to hydrolyze the different feed ingredients varied among the enzyme combinations assayed. Our findings suggest that fish waste has potential as a source of proteases, adding value to these processing residues and promoting a zero-waste industry. Enzymes obtained from Pm and Ia are suitable to be used as food additives for crayfish. The results should be validated through feeding trials. Fil: Rodriguez, Yamila Eliana. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones Marinas y Costeras. Universidad Nacional de Mar del Plata. Facultad de Ciencias Exactas y Naturales. Instituto de Investigaciones Marinas y Costeras; Argentina Fil: Sacristán, Hernán Javier. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Biodiversidad y Biología Experimental y Aplicada. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Biodiversidad y Biología Experimental y Aplicada; Argentina Fil: Laitano, Marìa Victoria. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones Marinas y Costeras. Universidad Nacional de Mar del Plata. Facultad de Ciencias Exactas y Naturales. Instituto de Investigaciones Marinas y Costeras; Argentina Fil: López Greco, Laura Susana. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Biodiversidad y Biología Experimental y Aplicada. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Biodiversidad y Biología Experimental y Aplicada; Argentina Fil: Fernandez Gimenez, Analia Veronica. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones Marinas y Costeras. Universidad Nacional de Mar del Plata. Facultad de Ciencias Exactas y Naturales. Instituto de Investigaciones Marinas y Costeras; Argentina
- Subjects :
- 0106 biological sciences
food.ingredient
Otras Ingenierías y Tecnologías
Feed additive
INGENIERÍAS Y TECNOLOGÍAS
Aquatic Science
01 natural sciences
Hydrolysis
food
FEED ADDITIVE
Cherax quadricarinatus
Food science
EXOGENOUS ENZYME
Fish processing
Gel electrophoresis
chemistry.chemical_classification
CHERAX QUADRICARINATUS
biology
010604 marine biology & hydrobiology
Food additive
04 agricultural and veterinary sciences
biology.organism_classification
Crayfish
Enzyme
chemistry
FISH-PROCESSING WASTE
040102 fisheries
0401 agriculture, forestry, and fisheries
Agronomy and Crop Science
Subjects
Details
- ISSN :
- 17497345 and 08938849
- Volume :
- 50
- Database :
- OpenAIRE
- Journal :
- Journal of the World Aquaculture Society
- Accession number :
- edsair.doi.dedup.....b9f4c31fc1acd88585a5ab6e36720703