Productivity and metabolic processes of replacement heifers when fed organic chromium at different concentrations
https://doi.org/10.26897/0021-342X-2026-2-147-157
Abstract
Optimization of the feeding system of repair young animals is a determining factor affecting the subsequent productivity of animals. The study aimed to establish the optimal rate of organic chromium feeding for young cattle aged 6-9 months. The experiment was conducted on the basis of JSC Enterprise Yemelyanovka (Moscow region, Ozersk district). Three groups of animals were formed: group 1 (control) received the basic ration (BD), experimental group 2 received BD + 3.75 mg/head per day of inorganic chromium, and experimental group 3 received BD + 2.81 mg/head per day of inorganic chromium. Upon reaching the age of 9 months, the live weight indicators of heifers of the 2-nd and 3-rd experimental groups exceeded the results of the control group by 4.9% and 4.6%, respectively. The average daily increase in the experimental groups reached 1470.4 g and 1493.2 g, exceeding the control indicators by 12.20% and 13.95%. Energy consumption per 1 kg of gain was lower in the experimental groups by 8.3% and 9.8%. The positive dynamics of morphological and biochemical blood parameters in these groups was also noted. Based on the data obtained, it was found that the optimal daily intake of organic chromium in the diet of young cattle aged 6-9 months is 2.81 mg/head per day.
Keywords
Supporting agencies: The work was carried out within the framework of the state assignment with financial support from fundamental scientific research of the Ministry of Science and Higher Education of the Russian Federation (Project No. 124020200032-4 (FGGN №-2024-0016).
About the Authors
M. G. Chabaev
L.K. Ernst Federal Research Center for Animal Husbandry
Russian Federation
Russian Federation
Magomed G. Chabaev, DSc (Ag), Professor, Chief Research Associate at the Department of Feeding Farm Animals
60 Dubrovitsy Vlg., Podolsk, Moscow Region, 142132
I. P. Novgorodova
L.K. Ernst Federal Research Center for Animal Husbandry
Russian Federation
Russian Federation
Inna P. Novgorodova, CSc (Bio), Senior Research Associate at the Department of Feeding Farm Animals
60 Dubrovitsy Vlg., Podolsk, Moscow Region, 142132
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Review
For citations:
Chabaev M.G., Novgorodova I.P. Productivity and metabolic processes of replacement heifers when fed organic chromium at different concentrations. IZVESTIYA OF TIMIRYAZEV AGRICULTURAL ACADEMY. 2026;(2):147-157. (In Russ.) https://doi.org/10.26897/0021-342X-2026-2-147-157
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