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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. https://dx.doi.org/10.1007/s10499-004-9028-0
In: Aquaculture International. Springer: London. ISSN 0967-6120; e-ISSN 1573-143X, more
Also appears in:
Focardi, S.; Saroglia, M. (Ed.) (2005). Animal welfare, human health and interactions with the environment. Aquaculture International, 13(1-2). Springer: Dordrecht. 173 pp., more
Peer reviewed article  
Available in  Authors 
Keywords
    Anatomical structures > Digestive system
    Aquatic organisms > Marine organisms > Fish > Marine fish
    Developmental stages > Adults
    Developmental stages > Juveniles
    Diplodus puntazzo (Walbaum, 1792) [WoRMS]; Actinopterygii [WoRMS]; Sparidae Rafinesque, 1818 [WoRMS]
    Marine/Coastal
Author keywords
    adults; digestive enzymes; Diplodus puntazzo; juveniles; sharpsnoutseabream
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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