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Metabolic responses of channel catfish (Ictalurus punctatus) exposed to phenol and post-exposure recovery Anais da ABC (AABC)
Moraes,Fernanda D.; Rossi,Priscila A.; Figueiredo,Juliana S.L.; Venturini,Francine P.; Cortella,Lucas R.X.; Moraes,Gilberto.
Metabolic adjustments were studied in channel catfish Ictalurus punctatus exposed to 1.5 mg L-1 of phe nol (10% LC50) for four days and recovered for seven days. Lower triacylglycerol (TGA) stores and increased muscle fat free acids (FFA) suggest fat catabolism in muscle. Remarkable liver FFA decrease (-31%) suggests liver fat catabolism as well. Increased muscular ammonia levels and ASAT (aspartate aminotransferase) and decreased plasma aminoacids suggest higher muscular amino acid uptake. Constant levels of glucose and increased liver glycogen stores, associated with lower amino acids in plasma, indicate gluconeogenesis from amino acids. This is supported by higher hepatic ALAT and ASAT. Higher hepatic LDH followed by lower plasma lactate may indicate...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Metabolic adjustments; Enzymes; Lipid stores; Intermediary metabolism; Recovery; Xenobiotic.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652016000300865
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Metabolic responses to dietary carbohydrate/lipids ratios in neotropical hybrid catfish (♂Pseudoplatystoma corruscans×♀Pseudoplatystoma fasciatum) Anais da ABC (AABC)
OKAMURA,DANIEL; FORTES-SILVA,RODRIGO; PAULINO,RENAN R.; ARAÚJO,FELIPE G. DE; COSTA,DIEGO V. DA; PEREIRA,RAQUEL T.; ROSA,PRISCILA V..
Abstract: The purpose of this study was to assess the effect of different carbohydrate and lipid (CHO/L) ratios on the performance and energy metabolism of hybrid catfish (♂Pseudoplatystoma corruscans × ♀ Pseudoplatystoma fasciatum). One hundred and sixty-eight fish (104.9±16.5 g BW) were distributed into 24 100-L tanks. The experiment was performed using a randomised block design with four CHO/L ratios (0.45, 1.00, 1.66 and 2.85) and six replications. Growth performance, protein content, glucose and triglycerides in plasma, muscle and liver, and the hepatic activity of the malic and glucose-6-phosphate dehydrogenase (G6PD) enzymes were measured after 60 feeding days. No significant differences were observed in growth performance, protein and...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Enzymes activity; Hepatic function; Intermediary metabolism; Hybrid catfish; Surubim.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652019000700862
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