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Renata Oselame Nobrega
Universidade Federal de Santa Catarina
Polyunsaturated fatty acidNile tilapiaFatty acidBiochemistryBiology
8Publications
4H-index
37Citations
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Publications 8
Newest
#1Ariane Martins Guimarães (UFSC: Universidade Federal de Santa Catarina)H-Index: 3
#2Delano Dias Schleder (UFSC: Universidade Federal de Santa Catarina)H-Index: 5
Last. Felipe do Nascimento Vieira (UFSC: Universidade Federal de Santa Catarina)H-Index: 17
view all 7 authors...
1 CitationsSource
#1Liziane Maciel Mufatto (UFSC: Universidade Federal de Santa Catarina)H-Index: 1
#2Renata Oselame Nobrega (UFSC: Universidade Federal de Santa Catarina)H-Index: 4
Last. Débora Machado Fracalossi (UFSC: Universidade Federal de Santa Catarina)H-Index: 16
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Source
#1Renata Oselame Nobrega (UFSC: Universidade Federal de Santa Catarina)H-Index: 4
#2Rosana Oliveira Batista (UFSC: Universidade Federal de Santa Catarina)
Last. Débora Machado Fracalossi (UFSC: Universidade Federal de Santa Catarina)H-Index: 16
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Abstract Information regarding the fatty-acid requirements of Nile tilapia raised in cold-suboptimal temperatures is scarce. Ectothermic animals, such as tilapia, tend to increase the degree of unsaturation in their membrane fatty-acids in cold temperatures to maintain cell membrane function. Therefore, we fed Nile tilapia juveniles (8.47 ± 0.19 g) at a cold suboptimal temperature of 22 °C, with four different supplement concentrations of Aurantiochytrium sp. meal (0.5, 1.0, 2.0, and 4.0 g 100 g...
Source
#1Fernando Dutra Brignol (UFSC: Universidade Federal de Santa Catarina)H-Index: 2
#2Vitor Augusto Giatti Fernandes (UFSC: Universidade Federal de Santa Catarina)H-Index: 2
Last. Débora Machado Fracalossi (UFSC: Universidade Federal de Santa Catarina)H-Index: 16
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2 CitationsSource
#1Camila Fernandes Corrêa (American Physical Therapy Association)H-Index: 5
#2Renata Oselame Nobrega (UFSC: Universidade Federal de Santa Catarina)H-Index: 4
Last. Débora Machado Fracalossi (UFSC: Universidade Federal de Santa Catarina)H-Index: 16
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Abstract Nile tilapia production worldwide is concentrated in the subtropics, where lower winter temperatures is a challenge for the high productivity of tropical fish species. Adequate fatty acid nutrition of fish is a way to offset the lower temperature, as this nutrient is responsible for the structure, fluidity, and functionality of all cell membranes. However, there are still many gaps in Nile tilapia fatty acid nutrition, particularly at lower temperatures. In this study, three plant oil m...
7 CitationsSource
#1Roseane L. Panini (UFSC: Universidade Federal de Santa Catarina)H-Index: 2
#2Stephanie S. Pinto (UFSC: Universidade Federal de Santa Catarina)H-Index: 9
Last. Renata Dias de Mello Castanho Amboni (UFSC: Universidade Federal de Santa Catarina)H-Index: 22
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Abstract This study investigated the muscle quality of the shrimp Litopenaeus vannamei fed on a diet containing different proportions of mealworm meal (MW) (0, 25, 50, 75 and 100%) as a substitute for fishmeal, which is the normal diet used in shrimp commercial production. The proximate composition, fatty acid profile, colour and texture of the shrimps were evaluated. Moisture, protein, and ash content of shrimp muscle were not significantly altered when fishmeal was replaced by MW (p > 0.05). H...
8 CitationsSource
#1Camila Fernandes Corrêa (American Physical Therapy Association)H-Index: 5
#2Renata Oselame Nobrega (UFSC: Universidade Federal de Santa Catarina)H-Index: 4
Last. Débora Machado Fracalossi (UFSC: Universidade Federal de Santa Catarina)H-Index: 16
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Five sources of dietary fatty acids (fish, linseed, sunflower, olive and coconut oils) were evaluated in juvenile Nile tilapia in two trials: at optimal (28°C) and suboptimal (22°C) temperatures lasting 9 and 12 weeks, respectively. At 28°C, there was no clear effect of dietary source on fish growth, but at 22°C, the highest daily weight gain occurred in fish fed sunflower, linseed and fish oil. Feed efficiency and apparent net protein utilization increased as the amount of unsaturated fatty aci...
10 CitationsSource
#1Renata Oselame Nobrega (UFSC: Universidade Federal de Santa Catarina)H-Index: 4
#2Camila Fernandes Corrêa (American Physical Therapy Association)H-Index: 5
Last. Débora Machado Fracalossi (UFSC: Universidade Federal de Santa Catarina)H-Index: 16
view all 4 authors...
Abstract Nile tilapia farming occurs in tropical and subtropical climate areas worldwide but information about dietary fatty acid requirements of Nile tilapia, particularly when raised at suboptimal temperature, are scarce. Previous studies with Nile tilapia failed to detect growth differences at suboptimal growth temperatures. Therefore, the objective of this study was to estimate the dietary requirement of α-linolenic acid (α-LNA, 18:3n − 3) of juvenile Nile tilapia, when raised at 22 °C. Incr...
9 CitationsSource
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