Implications of the use of sorghum in broiler production
2013
Garcia, RG(Universidade Federal da Grande Dourados Faculdade de Ciências Agrárias) | Mendes, AA(UNESP Faculdade de Medicina Veterinária e Zootecnia) | Almeida Paz, ICL(Universidade Federal da Grande Dourados Faculdade de Ciências Agrárias) | Komiyama, CM(Universidade Federal da Grande Dourados Faculdade de Ciências Agrárias) | Caldara, FR(Universidade Federal da Grande Dourados Faculdade de Ciências Agrárias) | Nääs, IA(Universidade Federal da Grande Dourados Faculdade de Ciências Agrárias) | Mariano, WS(Universidade Federal do Mato Grosso)
This study aimed at evaluating total or partial replacement of corn by sorghum in broiler diets and at estimating the effect of the pigment supplementation on broiler performance, carcass and cuts yield, and possible breast and leg pigmentation. We used 1680 one-d-old Ross® 308 broilers. Birds were sexed and distributed according to a completely randomized design (2 x 3 + 1). Treatments consisted of a control diet based on corn and diets with two levels corn replacement by sorghum (50 and 100%) and three pigments levels, with four replicates of 60 birds per treatment. There was no effect (p > 0.05) of the dietary replacement of corn by sorghum on performance, carcass and parts yield, and no changes in breast and leg meat pH (p >0.05). Meat redness (a*), yellowness (b*) and luminosity (L*) increased (p < 0.05) as pigment inclusion levels increased. It was concluded that the use of sorghum instead of corn did not affect broiler performance or carcass and cuts yield. When adequate pigments were used, meat color significantly improved.
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