Ivan Fiodorovich Gorlov, Marina Ivanovna Slozhenkina, Daria Aleksandrovna Mosolova, Lyudmila Viktorovna Khoroshevskaya, Zoya Borisovna Komarova, Vladimir Nikolaevich Nikulin, Evgeniya Aleksandrovna Struk, Aleksey Petrovich Khoroshevsky, Elena Yurievna Anisimova
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引用次数: 0
Abstract
Objective: The study aims to understand the effect of new antibiotic-substituting supplements in feeding chickens of the Hisex Brown cross in industrial conditions.
Materials and methods: A total of 216 hatched chicks were randomly selected and distributed into Control, Test I, and Test II groups, with 3 replicates of 24 birds in three treatments.
Results: At the end of the experiment, BW of T1/T2 birds was higher by 6.12% (p <0.01) and 10.29% (p <0.001) than CON. In comparison with the control hens, T1/T2 birds had a higher feed conversion rate and digestibility of nutrients. The blood indicators of T1/T2 hens exceeded those in control. Prebiotic supplementations were positively influenced in the immune indices of birds. IgA, IgG, IgM increased in groups T1/T2. Similar regularity was found in the natural resistance of chicks fed S1/S2. In the caecum, the Lactobacilli number was higher than in CON by 17.03% (p <0.01) in T1 and by 18.47% (p <0.01)-in T2; Bifidobacteria-by 17.94 (p <0.001) and 19.09% (p <0.01), respectively; at the same time, the number of E. coli decreased by 21.05% (p <0.01) and 24.21% (p <0.01). The concentration of emitted excreta noxious gases decreased: ammonia by 22.40%-24.95% (p <0.01); hydrogen sulfide by 10.67%-16.00% (p <0.01); and mercaptans by 12.90%-17.74% (p <0.05).
Conclusion: These findings support the use of lactulose-based supplements as antibiotic alternatives to improve production in poultry farming and to reduce the toxic load on the environment.
期刊介绍：
Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance.
Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.
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