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Growth, absorption and assimilation efficiency by mature cuttlefish (Sepia officinalis) fed with alternative and artificial diets Domingues, P.; Ferreira, A.; Marquez, L.; Andrade, J.P.; López, N.; Rosas, C. (2008). Growth, absorption and assimilation efficiency by mature cuttlefish (Sepia officinalis) fed with alternative and artificial diets. Aquacult. Int. 16(3): 215-229. https://dx.doi.org/10.1007/s10499-007-9139-5 In: Aquaculture International. Springer: London. ISSN 0967-6120; e-ISSN 1573-143X

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Beschikbaar in	Auteurs
VLIZ: Non-open access 353967 [ aanvragen ]

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Trefwoorden

Absorption (food) Anatomical structures > Digestive system Artificial feed Cultures > Fish culture Diets Fauna > Aquatic organisms > Aquatic animals > Fish Palaemonetes Heller, 1869 [WoRMS]; Sardina pilchardus (Walbaum, 1792) [WoRMS]; Sepia officinalis Linnaeus, 1758 [WoRMS]; Sepiidae Leach, 1817 [WoRMS] Marien/Kust

Author keywords

absorption efficiency; alternative diets; artificial diets; culture;cuttlefish

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Auteurs		Top
Domingues, P. Ferreira, A. Marquez, L.	Andrade, J.P. López, N. Rosas, C.

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Abstract

The effects of feeding three natural frozen diets, grass shrimp (Palaemonetes sp.), crayfish (Procambarus clarkii) and fish (Sardina pilchardus) and two semi-humid artificial diets (based on fish powder) to mature cuttlefish, Sepia officinalis, were analysed. Growth and feeding rates (GR and FR, % BW day-1), food conversions (FC, %), and total protein and lipid composition of the diets were determined. Digestive gland to body weight ratio and absorption efficiency were calculated for each diet. Cuttlefish fed shrimp and crayfish grew larger (1.5 and 1.1% BW day-1, respectively) compared to the other diets. Shrimp promoted the highest FC, followed by crayfish, and sardine. The highest FR was obtained for cuttlefish fed crayfish (8.4% BW day-1). Although both artificial diets were accepted, none produced growth. A positive correlation (r = 0.96) between cuttlefish ingestion rate and digestive gland weight was obtained. Some cannibalism occurred among cuttlefish fed the artificial diets during the last week of the experiment. According to the results obtained, P. clarkii could be used as an alternative prey to shrimp for rearing adult mature (>50 g) S. officinalis.

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