Nadezhda M Shirnina, Baer S Nurzhanov, Ilmira A Rakhimzhanova, Valeriy V Kononets

Animal Husbandry and Fodder Production. 2023. Vol. 106, no 1. P. 110-121.

 

doi:10.33284/2658-3135-106-1-110

 

Original article

Economic justification for the use of cavitated concentrates in the rations of dairy cows

 

Nadezhda M Shirnina1, Baer S Nurzhanov2, Ilmira A Rakhimzhanova3,4, Valeriy V Kononets5

1,2,3,5Federal Research Centrе of Biological Systems and Agrotechnologies of the Russian Academy of Sciences, Orenburg, Russia

4Orenburg State Agrarian University, Orenburg, Russia

1shirnina.2021@mail.ru, https://orcid.org/0000-0002-3908-3865

2baer.nurzhanov@mail.ru, https://orcid.org/0000-0003-3240-6112

3,4kaf36@orensau.ru, https://orcid.org/0000-0002-7771-7291

5vale056@mail.ru, https://orcid.org/0000-0002-8482-4466

 

Abstract. The article is devoted to the actual problem of increasing the efficiency of using concentrated feed as part of the ration for dairy cows. The experiment was conducted with the task [1]to compare the use of two technologies for the preparation of concentrated feed in the ration of Red Steppe cows: classical - crushing and cavitation action. The implementation of the measure for the comparative testing of rations for dairy cows, which included cavitated concentrates, contributed to an increase in production costs by 17.2 and 16.9% compared to the basic technology. At the same time, feeding concentrates as part of the cows’ rations prepared with the use of modern technology of cavitation action made it possible to reduce the cost price of 1 centner of milk by 4.7 and 7.3%. The data based on the calculation of the actual economic  effect  of  the  test  rations  showed that the profit from the sale of products in I group was 414.1 rubles, while in II and III experimental groups it was 3163.55 and 4787.4 rubles. The level of profitability increased by 5 and 8% in these groups of cows. The economic assessment of milk production indicates that animals fed cavitation-treated grain mixture or wheat bran as part of the ration had an increase in net income of 2749.5 and 4373.3 rubles.

Keywords: cows, Red Steppe breed, feeding, concentrates, cavitation, milk, cost, expenses, net income, profitability

Acknowledgments: the work was performed in accordance to the plan of research works for 2022-2023 FSBRI FRC BST RAS (No. 0761-2019-0005).

For citation: Shirnina NM, Nurzhanov BS, Rakhimzhanova IA, Kononets VV. Economic justification for the use of cavitated concentrates in the rations of dairy cows. Animal Husbandry and Fodder Production. 2023;106(1):110-121. (In Russ.). https://doi.org/10.33284/2658-3135-106-1-110

 

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Information about the authors:                     

Nadezhda M Shirnina, Cand. Sci. (Agriculture), Senior Researcher, Department of Farm Animal Feeding and Feed Technology named after Leushin SG, Federal Research Centre of Biological Systems and Agrotechnologies of the Russian Academy of Sciences, 29 9 Yanvarya St., Orenburg, 460000, tel.: 8(3532)308-179.

Baer S Nurzhanov, Dr. Sci. (Agriculture), Senior Researcher, Department of Farm Animal Feeding and Feed Technology named after Leushin SG, Federal Research Centre of Biological Systems and Agrotechnologies of the Russian Academy of Sciences, 29 9 Yanvarya St., Orenburg, 460000, tel.: 8(3532)308-179.

Ilmira A Rakhimzhanova, Dr. Sci. (Agriculture), Professor, Head of the Department of Electrical Technology and Electrical Equipment, Orenburg State Agrarian University, A.V. Kovalenko, 4 St., Orenburg, 460014, tel.: 8(3532)77-15-37; Consultant of the Department of Farm Animals Feeding and Feed Technology named after Leushin SG, Federal Research Centre of Biological Systems and Agrotechnologies of the Russian Academy of Sciences, 29 9 Yanvarya St., Orenburg, 460000, tel.: 8(3532)308-179.

Valeriy V Kononets, postgraduate student, Federal Research Centre of Biological Systems and Agrotechnologies of the Russian Academy of Sciences, 29 9 Yanvarya St., Orenburg, 460000, tel.: 8(3532)308-179.

 

The article was submitted 10.01.2023; approved after reviewing 19.01.2023; accepted for publication 20.03.2023.

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