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

• Grant number: 19/11828-6
• Support type: Regular Research Grants
• Duration: August 01, 2019 - January 31, 2022
• Field of knowledge: Agronomical Sciences - Fishery Resources and Fishery Engineering - Aquaculture
• Principal researcher: Daniel Eduardo Lavanholi de Lemos
• Grantee: Daniel Eduardo Lavanholi de Lemos
• Home Institution: Instituto Oceanográfico (IO). Universidade de São Paulo (USP). São Paulo , SP, Brazil

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)

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.