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A study of the pattern of digestive enzymes in Diplodus puntazzo (Cetti, 1777) (Osteichthyes, Sparidae): evidence for the definition of nutritional protocols
Tramati, C.; Savona, B.; Mazzola, A. (2005). A study of the pattern of digestive enzymes in Diplodus puntazzo (Cetti, 1777) (Osteichthyes, Sparidae): evidence for the definition of nutritional protocols. Aquacult. Int. 13(1-2): 89-95. dx.doi.org/10.1007/s10499-004-9028-0
In: Aquaculture International. Springer: London. ISSN 0967-6120, more
Peer reviewed article  

Also published as
  • Tramati, C.; Savona, B.; Mazzola, A. (2005). A study of the pattern of digestive enzymes in Diplodus puntazzo (Cetti, 1777) (Osteichthyes, Sparidae): evidence for the definition of nutritional protocols, in: Focardi, S. et al. (Ed.) Animal welfare, human health and interactions with the environment. Aquaculture International, 13(1-2): pp. 89-95, more

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Keywords
    Adults; Digestive system; Juveniles; Marine fish; Diplodus puntazzo (Walbaum, 1792) [WoRMS]; Osteichthyes [WoRMS]; Sparidae Rafinesque, 1818 [WoRMS]; Marine

Authors  Top 
  • Tramati, C.
  • Savona, B.
  • Mazzola, A.

Abstract
    The digestive enzymes (proteases, carbohydrases and lipases) present along the alimentary tract of juveniles and adults of Diplodus puntazzo were studied. The data obtained showed a different distribution of the enzymatic activities in the different parts of the alimentary tract. Levels of enzymatic activity in the adults were higher than those measured in juveniles, suggesting that adults have a greater ability to digest larger pieces of food. The enzymatic pattern of D. puntazzo justifies its omnivorous habit and suggests an high potential for digesting vegetable polysaccharides. The results of this study suggest the need to adapt the diet to the digestive potential of this new farming species, thus contributing to the attainment of a product that is qualitatively more similar to the wild one.

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