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Nitrogen and phosphorus management via nutrition in farmed shrimp: amino acid and phosphorus digestibility and retention in performance trials (N&P)

Abstract

The present research proposal aims to assess digestibility and retention of key nutrients for the growout of farmed shrimp: amino acids and phosphorus. Trials will consist in practical formulation of diets including a target ingredient at different levels (experiment 1: soybean meal -46% CP; amino acid digestibility) or with different ingredients and additives (experiment 2 and 3: supplementation of inorganic phosphorus or exogenous enzyme phytase at low P diets). Amino acid body deposition will be checked at varied dietary inclusion of soybean meal with digestibility and stable isotopes (C and N) feed-body content relationship as potential tools. Different sources of inorganic phosphorus or the phytase supplementation will be assessed in plant based diets in comparison to a P poor control diet. Outputs may assist larger scale trials. A differential for future shrimp feeds in short term will be digestibility data available into farming systems. Present proposal include research tasks suggested by Brazilian farmer´s associations. (AU)

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
COELHO, RAFAEL; LEMOS, DANIEL; TACON, ALBERT G. J. Performance of juvenile dusky grouper (Epinephelus marginatus Lowe, 1834) fed different practical diets in an indoor water-recirculation system. AQUACULTURE NUTRITION, v. 27, n. 6 NOV 2021. Web of Science Citations: 0.
LEMOS, DANIEL; COELHO, RAFAEL; ZWART, SJO; TACON, ALBERT G. J. Performance and digestibility of inorganic phosphates in diets for juvenile shrimp (Litopenaeus vannamei): dicalcium phosphate, monocalcium phosphate, and monoammonium phosphate. AQUACULTURE INTERNATIONAL, v. 29, n. 2, p. 681-695, APR 2021. Web of Science Citations: 0.
LEMOS, DANIEL; COELHO, RAFAEL; ZWART, SJO; TACON, ALBERT G. J. Performance and digestibility of inorganic phosphates in diets for juvenile shrimp (Litopenaeus vannamei): dicalcium phosphate, monocalcium phosphate, and monoammonium phosphate. AQUACULTURE INTERNATIONAL, v. 29, n. 2 JAN 2021. Web of Science Citations: 0.

Please report errors in scientific publications list by writing to: cdi@fapesp.br.