Oxidized lipids intake: effect on antioxidative enzimatic activity in rainbow trout Oncorhynchus mykiss (Walbaum)
Journal Title: Revista MVZ Cordoba - Year 2011, Vol 16, Issue 3
Abstract
Objective. To determine the effect, of different oxidation level of lipid, ingested for a period of 20 and 90 days on Catalase (CAT), Superoxide dismutase (SOD) and Glutathione peroxidase (GPx) activities in hepatical and gastrointestinal tissues. Materials and methods. Peroxide Value (PV) and Anisidine Value (AV) were used to detect products of lipidic oxidation in feeds. Data were analyzed using an split plot design and analysis of variance (ANOVA). Means were compared with Tukey test (5%). Results. All rations offered showed high peroxides and secondary products of oxidation levels during all assay and in most cases there were significant differences of oxidative quality between dietary treatments (p≤0.05). SOD activity showed decreasing levels in liver for both exposure periods, however, in GIT was generated a significant increase in SOD activity (175%) across time in the individuals subjected to all treatments. CAT activity showed high correlation level with SOD activity for the two periods of exposure and in both organs. Conclusions. GPx activity showed differences for both exposition periods in liver and at 90 day in GIT, indicating high sensitivity of the enzyme to peroxides intake. In all cases were high correlation coefficients (>0.95), suggesting that GIT-GPx activity is a good indicator of the lipid oxidative status of rations.
Authors and Affiliations
Jorge Zambrano N, Zoot *| Universidad Nacional de Colombia, Facultad de Medicina Veterinaria y de Zootecnia, Laboratorio de Fisiología de Peces. Bogotá, Colombia.Correspondencia: jazambranon@unal.edu.co., Miguel Landines P, Ph. D| Universidad Nacional de Colombia, Facultad de Medicina Veterinaria y de Zootecnia, Laboratorio de Fisiología de Peces. Bogotá, Colombia.
Keywords
Related Articles
- EP ID EP3226
- DOI -
- Views 346
- Downloads 16
Roadkill hotspots in a protected area of Cerrado in Brazil: planning actions to conservation
Objective. Here we aimed to identify the main points of animal death by roadkill in the view of helping mitigation plans and reducing the impact over the local fauna of a protected area. Materials and methods. We surveye...
Potential of the Cordoba coastal region Colombia for the culture of Nile tilapia
Objective. To identify areas with high potential for Nile tilapia farming in the coastal region of Córdoba (Colombia). Materials and methods. Five information layers were incorporated into a geographical information sys...
ENVIROMENTAL AND GENETIC ASPETS OF BIRTH WEIGHT IN NATIVE CATTLE OF COLOMBIA
Between 1980 and 2001, data from 1877 birth weights from native cattle of Colombia (Romosinuano), born 1980 – 2001, were analyzed (P < 0,0001). The average birth weight of males and females were 31,46 kg and 29,80 kg,...
Effect of sugarcane silage on productive parameters of replacement Holstein-Friesian heifers
Objective. Measure the productive parameters of Holstein-Friesian females from weaning to 470 days old, comparing feeding through sugarcane silage (SCS) and corn silage (CS) in a concentrated fodder ratio of 70:30. Mater...
Applying multicriteria analysis for choosing the best marination for pork
Objective. This research aimed to choose a best marination solution using the Analytic Hierarchy Process (AHP). Materials and methods. Pork meat samples were collected in a commercial slaughterhouse, and they were random...