Performance of broiler chickens fed compound feeds with various of cereal grains
2023
Pavlina Hristakieva | Ivelina Ivanova | Nadya Mincheva | Milena Mihaylova | Magdalena Oblakova
Maize and wheat are the main cereal forage crops cultivated at a global scale. They are among preferred forage grains for poultry nutrition. The aim of this study was to evaluate the productive performance of broiler chickens, whose compound feeds contained either maize, or wheat alone and maize + wheat combination. The experiment was performed with 120 day-old male ROSS hybrid chicks reared on the floor for 49 days. The birds were divided into three groups, each one consisting of two subgroups, as follows: group Е1 – fed forage with maize and wheat; group Е2 – fed forage with wheat and group Е3 – forage with maize. The live weight, feed intake, feed conversion and slaughter traits were investigated. By the 49th day of age, the live weight of chickens from groups Е1 and Е2 fed diet with maize and wheat (35.99%+28%), and only wheat without maize (66%) were the heaviest, 3147.18 g and 3361.32 g, respectively. Chicks from group E3 fed the diet containing only maize (64.12%) without wheat had the lowest average live weight (2587.75 g at Р<0.0001). Wheat, as a single cereal in broiler compound feeds, and its combination with maize had the most beneficial effect on weight gain and feed conversion over the entire fattening period (P<0.001). The improved weight gain of birds fed these diets was accompanied with higher feed intake (P<0.001) compared to birds fed forage with maize only. The slaughter yield and the breast with bone cut increased statistically significantly in the wheat-fed groups (P<0.001).
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