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Effect of Dietary Carotenoids on Reproducers of Amazon River Prawn Macrobrachium amazonicum. Part 1: Metabolism, Morphometric / Zootechnical Indexes, Body Composition and Gametes

Author

Listed:
  • Daniel Pereira da Costa
  • Claudiana de Lima Castilho
  • Uclédia Roberta Alberto dos Santos
  • Tainára Cunha Gemaque
  • Leandro Fernandes Damasceno
  • Jode Farias Lima
  • Kleber Campos Miranda Filho

Abstract

The inclusion of natural extracts and solution of synthetic astaxanthin in the Macrobrachium amazonicum diet were tested to verify their effect on performance, body indexes and total accumulation of astaxanthin in the reproductive tissues and gametes of this crustacean in comparison with newly captured wild animals. The experiment was randomized in blocks (five treatments with three replicates). Four groups were submitted, during 20 days, to diets in recirculation tanks- control diet (CONT); diet containing natural extract of “buriti†(CAR); diet with inclusion of natural “urucum†extract (BIXN), diet with synthetic astaxanthin (ASTX) and NATURAL group (not fed with ration). 180 prawns were used, with 60 males (6.08±1.96 g) and 120 females (4.55±1.03 g) distributed in five groups containing four males and eight females each. There were no significant differences in performance and body indexes. The number of released spermatozoids, live spermatozoids, body and egg pigmentation was higher in BIXN and ASTX treatments. The ASTX treatment was superior to the NATURAL group in the body pigmentation of females and eggs and release of spermatophores by males. These results demonstrate that the use of natural and artificial carotenoid pigments in the diet are beneficial for reproduction of M. amazonicum.

Suggested Citation

  • Daniel Pereira da Costa & Claudiana de Lima Castilho & Uclédia Roberta Alberto dos Santos & Tainára Cunha Gemaque & Leandro Fernandes Damasceno & Jode Farias Lima & Kleber Campos Miranda Filho, 2021. "Effect of Dietary Carotenoids on Reproducers of Amazon River Prawn Macrobrachium amazonicum. Part 1: Metabolism, Morphometric / Zootechnical Indexes, Body Composition and Gametes," Journal of Agricultural Studies, Macrothink Institute, vol. 9(2), pages 32-56, June.
  • Handle: RePEc:mth:jas888:v:9:y:2021:i:2:p:32-56
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    JEL classification:

    • R00 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - General - - - General
    • Z0 - Other Special Topics - - General

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