Ekaterina Yu Podlasova
Animal Husbandry and Fodder Production. 2023. Vol. 106, no 1. Р. 228-238.
doi:10.33284/2658-3135-106-1-228
Original article
The effect of various methods of grain haylage obtaining
from a cereal-bean mixture on the growth performance in bulls
Ekaterina Yu Podlasova1
1Federal Research Centrе of Biological Systems and Agrotechnologies of the Russian Academy of Sciences, Orenburg, Russia
1katerina.pryakhina@mail.ru, https://orcid.org/0000-0002-2985-198X
Abstract. The main condition for the formation of the economic efficiency in animal husbandry is the complete animal nutrition. Feed is an important means of milk and meat producing, and provides 70% of animals’ productivity due to their biological and nutritional value. In recent years, scientific potential and practical experience have been accumulated, allowing the production of high-quality feed with a high energy component and satisfying the requirements of animals with minimal costs.
The effect of grain haylage in the diet of bulls on nutrients digestibility and growth dynamics was studied in the conducted research. Three groups of bulls were formed with 10 heads each for this: control group - the farm diet without grain haylage; I-st experimental group - the farm diet + grain haylage (without pre-sowing seed treatment); II-nd experimental group - the farm diet + grain haylage obtained by pre-sowing seed treatment with ultrafine molybdenum particles (MoO2). The data obtained indicate a positive effect of pre-sowing treatment of leguminous crops (peas, barley and millet) seeds, which contributed to an increase in dry matter by 12.7%; feed units by 23% and metabolizable energy by 10.6% in comparison with the grain haylage obtained without pre-sowing treatment. The digestibility of dry and organic matter in the diets of II experimental group exceeded the control by 4.06% and 3.88%, respectively. The live weight of bulls from I and II experimental groups at the age of 10 months was higher than the control by 3.4% and 5.9%, respectively. The inclusion of grain haylage in the diet increased the glucose concentration in the blood of the I-st experimental group by 3.2% and II-nd experimental group by 10.2% compared to the control. In addition, the presented results of economic efficiency show an increase in profitability level in the I-st experimental group by 1.5% and in the II-nd experimental group by 2.9% compared to the control.Keywords: bulls, Kazakh White-Headed breed, feeding, grain haylage, live weight, pre-sowing treatment, molybdenum
For citation: Podlasova EYu. The effect of various methods of grain haylage obtaining from a cereal-bean mixture on the growth performance in bulls. Animal Husbandry and Fodder Production. 2023;106(1):228-238. (In Russ.). https://doi.org/10.33284/2658-3135-106-1-228
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Information about the authors:
Ekaterina Yu Podlasova, post graduate, specialist researcher, Laboratory of Biotechnological Tests and Examinations, Federal Research Centrе of Biological Systems and Agrotechnologies of the Russian Academy of Sciences, 27/1, Gagarina Ave., Orenburg, 460051, tel.: 89877866593
The article was submitted 09.02.2023; approved after reviewing 13.03.2023; accepted for publication 20.03.2023.
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