Ítavo LCV(1)(2), Ítavo CCBF(3), Dias AM(3), de Nadai Bonin Gomes M(3), da Silva AG(3), Leal ES(3), Pereira MWF(3), da Silva Pereira C(3), Dos Santos GT(3). Author information:
(1)College of Veterinary Medicine and Animal Science, Federal University of Mato
Grosso do Sul, Campo Grande, Brazil. [Email]
(2)Faculdade de Medicina Veterinária e Zootecnia, Universidade Federal do Mato
Grosso do Sul, Av. Filinto Müller, 2443, Cidade Universitária, Campo Grande, MS,
79070-900, Brazil. [Email]
(3)College of Veterinary Medicine and Animal Science, Federal University of Mato
Grosso do Sul, Campo Grande, Brazil.
We evaluated the lipid level effects in the diet on performance, carcass, and meat characteristics of forty-eight steers and heifers, F1 Beefalo (Bostaurus taurus × Bison bison hybrid) × Nellore (Bos taurus indicus), 22 months old, being 24 steers (393.2 ± 15 kg) and 24 heifers (278.4 ± 8 kg). The animals were distributed in a completely randomized design in a 4 × 2 factorial scheme (lipid levels in diet 55-, 65-, 75-, and 85-g/kg dry matter obtained by whole sunflower grain Helianthus annuus and two sexes). Increased amounts of sunflower grain in diet linearly reduce the proportion of saturated fatty acids (FA) in longissimus thoracis. Diets containing up to 85 g/kg of lipid can be used without negative effects on intake, carcass, and meat quality of Beefalo-Nellore steers and heifers and can be an effective strategy to reduce the proportion of saturated FA and increase unsaturated FA on the meat, which can be beneficial for human consumption.
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