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Carcass traits and meat quality of Brangus × Zebu steers in grazing systems receiving supplementation

Valle, Felipe Roberto Amaral Ferreira do; Fontes, Carlos Augusto de Alencar; Fernandes, Alberto Magno; Oliveira, Tadeu Silva de; Processi, Elizabeth Fonseca.
Sci. agric.; 78(3): e20190228, 2021. tab
Artigo em Inglês | VETINDEX | ID: vti-27645


The use of supplements eliminates deficiencies imposed by pasture, increases weight gain in animals and maximizes profits from the activity. The objective of this study was to evaluate the performance, carcass traits and meat quality of steers in grazing systems that received or did not receive a protein energy supplement at the level of 0.6 % body weight. The experiment lasted 160 days and included 36 Brangus × Zebu animals. Eighteen animals received supplementation and another eighteen did not receive supplementation. Carcasses were evaluated for yield, loin eye area, fat thickness and length. The assessment of meat quality evaluated the shear force, myofibril fragmentation index, color, exudative losses and collagen. The carcass traits of the supplemented animals showed higher values (p < 0.0001). Supplementation improved the color of the meat (p = 0.0434) and increased the amount of soluble collagen (p = 0.0456). The use of a protein energy supplement for steers in a pasture system increased the efficiency of muscle deposition of these animals and improved meat quality when compared to animals that were not supplemented.(AU)
Biblioteca responsável: BR68.1
Localização: BR68.1