E. V. Lepikhina, N. A. Morozkov, I. N. Zhdanova, N. V. Avdeev
Perm Research Institute of Agriculture – a branch of the Perm Federal Research Center of the Ural Branch of the Russian Academy of Sciences, Lobanovo village, Perm Krai, Russia
E-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.
Volume 25 No. 6
Date of paper submission: 23.08.2024, date of review: 12.02.2025, date of acceptance: 04.04.2025.
Published: 06/30/2025
Abstract. The purpose of this study is to analyze the effect of various doses of feed phytodefense from Leuzea safflower (Rhaponticum carthamoides), which is part of compound feeds, on the balance of nitrogen, calcium and phosphorus absorption, as well as on the growth rate of broiler chickens. Methods. The study was conducted on 140 broiler chickens of the Ross 308 cross at the age of 4 to 6 weeks. 4 groups of 35 heads each were formed: the control group received the basic diet (BD); I experimental group – BD + phytodrug from safflower leuzea 1.60 %; II experimental group – BD + phytodrug from safflower leucea 2.10 %; III experimental group – BD + phytodrug from safflower leuzea 2.60 %. Thus, the study assumed an assessment of the effectiveness of introducing into the diet of broiler chickens various levels of phytodefense based on leuzea safflower in comparison with the control group receiving only the basic diet. The scientific novelty lies in the fact that for the first time the effect of the use of a feed supplement from safflower leuzea, as part of compound feed, on the balance of nitrogen, calcium, phosphorus assimilation, as well as on the growth and safety of broiler chickens in the conditions of the middle Urals was studied. Results. The conducted studies showed that the balance of nitrogen assimilation in experimental broiler chickens was positive in all groups. The inclusion of this phytonutrient in the composition of compound feeds did not have a negative effect on the mineral metabolism of broiler chickens. On the contrary, it stimulated the absorption of calcium and phosphorus. Thus, the introduction of phytonutrients from leuzea safflower into compound feeds contributed to an increase in the use of nitrogen, calcium, phosphorus and nutrients in the diet, which ensured the optimal course of metabolic processes of these macronutrients in the poultry body. As a result, the absolute increase in live weight of broiler chickens in the I, II and III experimental groups receiving phytodefense increased by 2.62 %, 7.94 % and 15.25 %, respectively, compared with the control group.
Keywords: leuzea (Rhaponticum carthamoides), broiler chickens, nitrogen metabolism, calcium, phosphorus, live weight
Acknowledgements. The study was conducted with the financial support of the Ministry of Science and Higher Education of the Russian Federation. The work was performed within the framework of the State Assignment of the Federal State Budgetary Institution Perm Federal Research Center of the Ural Branch of the Russian Academy of Sciences (state registration number of the topic – 122030400198-6).
For citation: Lepikhina E. V., Morozkov N. A., Zhdanova I. N., Avdeev N. V. Efficiency of feeding fodder herbal supplements as part of the combined feed for broiler chickens. Agrarian Bulletin of the Urals. 2025; 25 (06): 926‒936. https://doi.org/10.32417/1997-4868-2025-25-06-926-936 (In Russ.)
Download the full text of the article
