Dietary chia (Salvia hispanica L.) improves the nutritional quality of broiler meat.

Autor: Mendonça NBSN; Department of Animal Science, Federal University of Lavras, Lavras, MG 37200-000, Brazil., Sobrane Filho ST; Department of Animal Science, Federal University of Lavras, Lavras, MG 37200-000, Brazil., Oliveira DH; Department of Animal Science, Federal University of Lavras, Lavras, MG 37200-000, Brazil., Lima EMC; Department of Animal Science, Federal University of Lavras, Lavras, MG 37200-000, Brazil., Rosa PVE; Department of Animal Science, Federal University of Lavras, Lavras, MG 37200-000, Brazil., Faria PB; Department of Veterinary Medicine, Federal University of Lavras, Lavras, MG 37200-000, Brazil., Naves LP; Department of Animal Science, Federal University of Lavras, Lavras, MG 37200-000, Brazil., Rodrigues PB; Department of Animal Science, Federal University of Lavras, Lavras, MG 37200-000, Brazil.
Jazyk: angličtina
Zdroj: Asian-Australasian journal of animal sciences [Asian-Australas J Anim Sci] 2020 Aug; Vol. 33 (8), pp. 1310-1322. Date of Electronic Publication: 2019 Oct 22.
DOI: 10.5713/ajas.19.0608
Abstrakt: Objective: The current study was conducted to evaluate the quality and profile of fatty acid in the breast and thigh, and the performance of broilers fed diets containing seed or oil of chia (Salvia hispanica L.) as a replacement for soybean, in the rearing period from 29 to 42 days of age.
Methods: On the 29th day of age, 120 broilers were distributed in four treatments evaluated in five replicates of six birds. The grain or oil of soybean was respectively replaced on a weightto-weight basis in the formulation by the seed or oil of chia, constituting the experimental diets. The roasted whole soybean and chia seed were included in the feed at 16.4%, whereas the soybean and chia oils were included at 2.5%.
Results: The dietary chia oil increased the lipid peroxidation in the thigh meat, and the dietary chia seed increased the cooking loss of the thigh. However, for the other physicochemical parameters evaluated and for the proximate composition of the breast and thigh, in general, the inclusion of chia seed or oil in the diet provided similar or better results than those observed when the diets contained soybean oil or roasted whole soybean. With regard to the fatty acid profile and associated parameters, dietary chia increased the concentrations of α-linolenic, eicosapentaenoic, and docosahexaenoic acids and reduced the Σω-6:Σω-3 ratio and the atherogenicity and thrombogenicity indices of the broiler meat. However, the dietary chia seed worsened the feed conversion ratio.
Conclusion: Diet containing 2.5% chia oil supplied to broilers during the period from 29 to 42 days of age improves the feed conversion ratio, increases the deposition of the ω-3 fatty acids in the breast and thigh, in addition to reducing the Σω-6:Σω-3 ratio and the atherogenicity and thrombogenicity indices, thereby resulting in meat with higher nutritional quality.
Databáze: MEDLINE
Externí odkaz: