Digestive enzyme complement of white sturgeon (Acipenser transmontanus) |
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| Authors: | R K Buddington S I Doroshov |
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| Affiliation: | 1. Departamento de Zoología, Universidad de Granada, Campus de Fuentenueva, 18071 Granada, Spain;2. CIMAR/CIIMAR-Centro Interdisciplinar de Investigação Marinha e Ambiental, Universidade do Porto, Rua dos Bragas 289, 4050-123 Porto, Portugal;3. Planta de Cultivos Marinos, Instituto Español de Oceanografía, Mazarrón, 30870 Murcia, Spain |
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| Abstract: | Digestive processes of 250-day-old white sturgeon were analyzed for enzyme concentrations, protein content and pH. Digestion is initiated in the gastric region by secretion of acid and pepsin; however, diversity of digestive enzymes is highest in the post-gastric alimentary canal with the greatest proteolytic activity in the spiral valve. Domination of the enzyme complement by proteases is consistent with this species carnivorous feeding habits. |
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