EFFECT OF GUANAMIN® SUPPLEMENTATION ON THE NUTRITION OF JUVENILE NILE TILAPIA (OREOCHROMIS NILOTICUS)

Autores

DOI:

https://doi.org/10.18623/rvd.v23.6494

Palavras-chave:

Aquaculture, Guanidineacetic Acid, Energy Metabolism, Muscle Tissue

Resumo

GAA is a product composed of amino acids that acts primarily in energy metabolism. Its use reduces production costs compared to the use of creatinine. The aim of this study was to evaluate the effects of GAA supplementation on the proximate composition, productive performance, body indices, and oxidative and enzymatic responses of juvenile Nile tilapia. One hundred and twenty fish were used, distributed in a completely randomized design, with three treatments and three replicates, totaling 20 animals per experimental unit. The experimental diets contained 36% CP and were supplemented with 0, 0.050, and 0.150% GAA. The data obtained were subjected to analysis of variance and linear and quadratic polynomial regression. Fish supplemented with 0.15% GAA showed higher protein content and lower lipid reserves, better results for AFW, WG, DWG and SGR, as well as increased catalase, sucrase and trypsin activity. However, there was a reduction in PER and FY, as well as a worsening in FC. Fish supplemented with 0.05% GAA showed improved FC and total protein intake, as well as reduced VFI and HI in the fish. Supplementation with 0.05% GAA is recommended for Nile tilapia juvenile diets.

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Publicado

2026-05-22

Como Citar

Rossetto, J. F., Nogueira, A., Ladislau, D. da S., Cazarolli, L. H., & Signor, A. (2026). EFFECT OF GUANAMIN® SUPPLEMENTATION ON THE NUTRITION OF JUVENILE NILE TILAPIA (OREOCHROMIS NILOTICUS). Veredas Do Direito , 23(8), e236494. https://doi.org/10.18623/rvd.v23.6494