Soybean protein concentrate as a protein source for totoaba (Totoaba macdonaldi) juveniles: Effect on intermediary metabolism and liver histological organization
Autor/a
Trejo-Escamilla, Idaly
López, Lus M.
Sanchez, Samuel
Rodarte-Venegas, Deyanira
Álvarez, Carlos A.
Galaviz, Mario A.
Fecha de publicación
2021-08-31ISSN
1095-6433
Resumen
This study aimed to investigate the effects of replacing fish meal (FM) with soybean protein concentrates (SPC) on the intermediary metabolism and health of Totoaba macdonaldi juveniles. Fish (initial weight 50 ± 1 g) were fed for 60 days with eight diets: a reference diet (RD) and seven experimental diets where FM was replaced gradually with 15 to 100% SPC (SPC15, SPC30, SPC45, SPC60, SPC75, SPC90, and SPC100, respectively). Hexokinase (HK), glucokinase (GK), and alanine aminotransferase (ALT) enzyme activities showed highly significant differences (p < 0.01) between fish fed RD (0% SPC) compared to fish fed the diets with 60, 75, 90, and 100% SPC. The ALT enzyme shows a highly significant (p < 0.01) decrease in activity for fish fed 75, 90, and 100% SPC inclusions compared to fish fed the RD. The aspartate aminotransferase AST/ALT ratio showed a significant increase in activity for fish fed 100% soybean compared only with fish fed the control diet. The histological organization of the liver in totoaba juveniles fed RD, SPC15, SPC30 and SPC45 diets were similar. Totoaba fed with SPC90 and SPC100 showed histological alterations in hepatic and pancreatic parenchyma. Overall, according to the findings in this study, 45% of dietary FM could be replaced by SPC without causing adverse changes in metabolism, histological organization of liver, and health of juveniles of totoaba when cultured for 60 days. However, levels greater than 60% of SPC could compromise the health status of fish.
Tipo de documento
Artículo
Versión del documento
Versión aceptada
Lengua
English
Materias (CDU)
637 - Productos de los animales domésticos, de la caza y de la pesca
Páginas
36
Publicado por
Elsevier
Publicado en
Comparative Biochemistry and Physiology Part A: Molecular & Integrative Physiology
Citación
Trejo-Escamilla, Idaly, Lus M. López, Enric Gisbert, Samuel Sanchez, Deyanira Rodarte-Venegas, Carlos A. Álvarez, and Mario A. Galaviz. 2021. "Soybean Protein Concentrate As A Protein Source For Totoaba (Totoaba Macdonaldi) Juveniles: Effect On Intermediary Metabolism And Liver Histological Organization". Comparative Biochemistry And Physiology Part A: Molecular & Integrative Physiology 262: 111062. doi:10.1016/j.cbpa.2021.111062.
Número del acuerdo de la subvención
MICIU/Programa Estatal de I+D+I orientada a los retos de la sociedad/117RT0521/ES/Estrategias de desarrollo y mejora de la producción de larvas de peces en Iberoamerica/LARVAplus
Program
Aqüicultura
Este ítem aparece en la(s) siguiente(s) colección(ones)
- ARTICLES CIENTÍFICS [2850]
Excepto si se señala otra cosa, la licencia del ítem se describe como http://creativecommons.org/licenses/by-nc-nd/4.0/