Ksenia S Nechitailo, Elena A Sizova

Animal Husbandry and Fodder Production. 2021. Vol. 104, no 4. Р. 148-157.

doi:10.33284/2658-3135-104-4-148

Effect of a multi-enzyme feed additive on productivity, digestibility and body chemistry of broiler chickens

 Ksenia S Nechitailo1, Elena A Sizova2

1,2Federal Research Centre of Biological Systems and Agrotechnologies of the Russian Academy of Sciences, Orenburg, Russia

1k.nechit@mail.ru, https://orcid.org/0000-0002-8755-414X

2Sizova.L78@yandex.ru, https://orcid.org/0000-0002-5125-5981

Centre for Biological Systems and Agrochnoloies of the Russian Academy of Sciences (Orenburg)

Abstract. A common feature of cereals is a high content of non-starchy polysaccharides, which exhibit an anti-nutritional effect by increasing the viscosity of intestinal contents and reducing the absorption of nutrients.  In  addition,  broilers lack the endogenous enzymes necessary to digest non-starchy polysaccharides, so the efficiency of feed digestion is reduced even at a full diet. In this regard, the aim of the research was  to  assess  the  effect  of  a  multi-enzyme feed additive on productivity, digestibility and body chemical composition of broiler chickens. When a multi-enzyme feed additive is used in broiler chicken diet, the digestibility coefficients of crude protein, crude fiber and nitrogen-free extractives increase due to the release of encapsulated dietary nutrients. The use of a multi-enzyme feed additive allows to reduce feed costs per 1 kg of live weight gain and, in general, to increase the efficiency of growing, which emphasizes the prospects of using the study drug when growing broiler chickens.

Keywords: broiler chickens, feeding, multi-enzyme preparations, productivity, non-starchy polysaccharides

Acknowledgments: the work was supported by the Russian Science Foundation, Project № 20-16-00078.

For citation: Nechitailo KS, Sizova EA. Effect of a multi-enzyme feed additive on productivity, digestibility and body chemistry of broiler chickens. Animal Husbandry and Fodder Production. 2021;104(4):148-157. (In Russ.). doi: https://doi.org/10.33284/2658-3135-104-4-148

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Information about the authors:

Ksenia S Nechitailo, Researcher, Federal Research Centre of Biological Systems and Agrotechnologies of the Russian Academy of Sciences, 29, 9 Yanvarya St., Orenburg, 460000.

Elena A Sizova, Dr. Sci. (Biology), Head of the Center for Nanotechnology in Agriculture, Federal Research Centre of Biological Systems and Agrotechnologies of the Russian Academy of Sciences, 29, 9 Yanvarya St., Orenburg, 460000, tel.: 8-912-344-99-07.

The article was submitted 10.11.2021; approved after reviewing 10.11.2021; accepted for publication 13.12.2021.

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