Determination of the production efficiency index when introduction plant extract with antioxidant effect into the diet of broiler chickens

Summary. The article reflects the results of a study conducted in the conditions of the Belgorod State Agrarian University for the inclusion in the diets of broiler chickens of the Ross - 308 cross of a plant extract with an antioxidant effect obtained by percolation with organic solvents from cocoa shell. The research results showed that the use of plant extract had a positive effect on the productivity of broiler chickens.

Introduction. Today, a large role in the preparation of feed rations is assigned to the use of organic waste – as one of the ways of their secondary use and the main nutritional component. The shell of the cocoa bean husk is one of the examples of by–products with many valuable biologically active components. The husk is about 52-76% of the total weight of cocoa fruits. In the production of dry beans, ten tons of husk account for every ton received, which is an important problem in waste disposal. The purpose of the experiment is to study and evaluate the effectiveness of various doses of plant extract when introduced into the diets of broiler chickens of the Ross-308 cross.

Object. The object of research is broiler chickens of the Ross-308 cross.

Materials and methods. The research was carried out in the conditions of the scientific and production laboratory of poultry farming of the UNIC "Agrotechnopark" of the Belgorod State Agrarian University. The experiment was carried out according to the methodology of FGBNU "VNIiTIP".

Results and conclusions. It was found that when the broiler chickens were included in the diet of the obtained feed additive throughout the entire experimental period in the amount of 50 g /t, 100 g / t, 150 g / t, 200 g /t, 250 g/t, the live weight increased, in comparison with the control group by 1.38-2.83%, the safety livestock by 2.0- 4.0%, the production efficiency index by 16.3 – 32.4 units. We consider it expedient to use the dosage of the 4th experimental group for industrial feeding of broiler chickens – 200 g / t of compound feed, which increases the live weight in comparison with the control by 76.44 g (2.65%), safety by 4.0%, the production efficiency index by 32.4 units.

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