EFFECT OF FEED ADDITIVES FROM FOREST RESOURCES AND PHYTO-RAW MATERIALS ON THE DAIRY PRODUCTIVITY OF COWS AND THE PHYSICOCHEMICAL PROPERTIES OF MILK
- Authors: Efimova L.V1, Ivanov E.A1, Tereshchenko V.A1, Lyubimova Y.G1, Zaznobina T.V1
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Affiliations:
- Krasnoyarsk Scientific Research Institute of Agriculture is a separate unit of the FITC KSC SB RAS
- Issue: No 6 (2025)
- Pages: 78-84
- Section: Zootechnics
- URL: https://journals.rcsi.science/2500-2082/article/view/355297
- DOI: https://doi.org/10.7868/S3034519725060152
- ID: 355297
Cite item
Abstract
The use of feed additives from unclaimed forest waste and phyto-raw materials in feeding is a promising direction for use in feeding cattle. The aim of the scientific research was to study the effect of a feed additive from forest waste (pine needles and cedar nut shells) and phyto-raw materials (narrow-leaved fireweed) on the milk productivity of cows and the physicochemical properties of milk. The scientific and economic experiment was conducted in the Krasnoyarsk Territory on lactating black-and-white cows aged two calvings. The duration of the experiment was 100 days. Five groups of cows were selected for the experiment (1 control and 4 experimental). The studied factors were the feeding dose and the type of feed additive (dry, extract). It was found that the inclusion of a feed additive from pine flour, cedar nut shells and narrow-leaved fireweed in the diet of lactating cows contributed to an increase in milk yield and improved milk quality. The most profitable was the use of the additive in dry form at a dosage of 150 g/head/day: the average daily milk yield of cows in the 2nd experimental group was higher than the control group by 3.5 kg (15.3%), milk yield for 100 days of lactation – by 337.0 kg (14.6%), in terms of fat and protein content in milk they exceeded by 0.12 and 0.05 p.p. (1.5-3.2%), milk density – by 0.96 (3.3%). The results of the dispersion analysis confirmed the influence of the "type of feed" factor (additive in dry form and in the form of an extract) on the content of fat (the strength of the influence is 5.3%) and lactose in milk (3.7%) and the "feeding dose" factor on the content of fat and protein (15.7-24.4%), dry nonfat milk residue (SNM) content (10.9%), salt and lactose content (8.6 and 8.1%).
About the authors
L. V Efimova
Krasnoyarsk Scientific Research Institute of Agriculture is a separate unit of the FITC KSC SB RAS
Email: liubow_wal@mail.ru
PhD in Agricultural Sciences, Associate Professor Krasnoyarsk, Russia
E. A Ivanov
Krasnoyarsk Scientific Research Institute of Agriculture is a separate unit of the FITC KSC SB RAS
Email: liubow_wal@mail.ru
PhD in Agricultural Sciences
Krasnoyarsk, RussiaV. A Tereshchenko
Krasnoyarsk Scientific Research Institute of Agriculture is a separate unit of the FITC KSC SB RAS
Email: liubow_wal@mail.ru
PhD in Agricultural Sciences
Krasnoyarsk, RussiaYu. G Lyubimova
Krasnoyarsk Scientific Research Institute of Agriculture is a separate unit of the FITC KSC SB RAS
Email: liubow_wal@mail.ru
PhD in Agricultural Sciences
Krasnoyarsk, RussiaT. V Zaznobina
Krasnoyarsk Scientific Research Institute of Agriculture is a separate unit of the FITC KSC SB RAS
Author for correspondence.
Email: liubow_wal@mail.ru
Krasnoyarsk, Russia
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