Blood biochemical parameters of broilers fed differently thermal processed soybean meal
Journal Title: Revista MVZ Cordoba - Year 2014, Vol 19, Issue 3
Abstract
Objective. A 42-days feeding trial was carried out to evaluate the influences of differently thermal processed soybean meal on the broilers blood biochemical parameters. Materials and methods. A total of 200 male birds of Ross strain were allocated into five different diets formulated using differently heat-treated soybean meals, with ten birds per treatment and per replicate. Diets contained: raw soybean (controls), autoclaved for a short (121°C, 20 min; Aut1 group) or medium length period (121°C, 30 min; Aut2 group) soybean meal, micro-waved soybean meal (46°C, 540 Watt, 7 min; McW group) and browned soybean meal (120°C, 20 min; Brn group). Results. Blood serum metabolites showed that all treated diets presented lower lipid metabolism makers and higher protein metabolism markers. Broilers showed increased final body weight when fed heat-treated meals compared with control. Results suggested that thermal treatments altered the lipid metabolism in broilers that might originate a decrease in abdominal fat deposition. Conclusions. Comparison of the results for all the treated groups showed the Aut2 treatment is the most suitable method for soybean thermal treatment processing; in contrast, the Aut1 treatment had the closest results to the control group.
Authors and Affiliations
Mojgan Nahavandinejad, M. Sc| Islamic Azad University, Rasht Branch, Department of Animal Science, Rasht, Iran., Alireza Seidavi, Ph. D *| Islamic Azad University, Rasht Branch, Department of Animal Science, Rasht, Iran.Correspondence: alirezaseidavi@iaurasht.ac.ir, Leila Asadpour, Ph. D| Islamic Azad University, Rasht Branch, Department of Veterinary Medicine, Rasht, Iran., Rita Payan-Carreira Ph. D| Animal and Veterinary Research Centre-CECAV; Department of Zootecnics, ECAV, UTAD, Vila Real, Portugal.
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