| Issue |
E3S Web Conf.
Volume 282, 2021
International Conference “Ensuring Food Security in the Context of the COVID-19 Pandemic” (EFSC2021)
|
|
|---|---|---|
| Article Number | 04004 | |
| Number of page(s) | 7 | |
| Section | Development of Production of Compound Feeds, Feed Additives for Animals, Medicines for Veterinary Use, Mineral Additives | |
| DOI | https://doi.org/10.1051/e3sconf/202128204004 | |
| Published online | 05 July 2021 | |
Analysis of the usefulness of the mineral composition of diets and the effectiveness of the use of mineral and vitamin supplements in the diets of cows of different technological groups
FSBEI HE RSATU, Ryazan, Russian Federation
* Corresponding author: fedosowa1986@mail.ru
The paper presents the results of the analysis of the usefulness of the mineral composition of diets and the effectiveness of the use of mineral and vitamin supplements in feeding cows of different technological groups. The analysis showed that the amount of calcium and phosphorus in the diets was close to the norm. Extremely high concentrations of elements such as magnesium, potassium and sodium were noted with an obvious lack of chlorine and sulfur. The cation-anion balance was positive: the range of indicators ranged from 14.98 to 23.49 and a tendency to increase this indicator by the end of lactation was revealed. The ratio of calcium and phosphorus, as well as potassium and sodium did not exceed the established norms. For most of the trace elements, the excess of the recommended norms was determined, which can be justified due to the low digestibility of trace elements in the body of cows.
© The Authors, published by EDP Sciences, 2021
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