Pavel I Khristianovsky, Stanislav A Platonov, Erlan S Medetov

Animal Husbandry and Fodder Production. 2023. Vol. 106, no 3. Р. 67-75.

 

doi:10.33284/2658-3135-106-3-67

 

Original article

Changes in the morphological and biochemical composition of the blood with the inclusion

of cresacin in the estrus synchronization scheme in cows

 

Pavel I Khristianovsky1, Stanislav A Platonov2, Erlan S Medetov3

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

1paor1953@bk.ru, https://orcid.org/0000-0003-3902-4379

2 platonstas1994@mail.ru, https://orcid.org/0000-0002-9806-412X

3 erlanmedetov29@mail.ru, https://orcid.org/0000-0002-9424-4254

 

Abstract. The paper presents the results of studies of blood parameters of Red Steppe cows during estrus synchronization with the use of the adaptogen cresacin. Two groups of 34 not mated cows in each group were formed, age - 3-6 years, live weight - 400-450 kg, period after calving - 2-3 months. All animals were synchronized according to the Ovsynch scheme. In the experimental group, cows were fed 2 g of cresacin daily for 10 days. Blood for the study was taken on the 1st and 10th day. It was found that the number of leukocytes, erythrocytes and hemoglobin increased by 24.9%, 4.9% and 6.8% respectively (P≤0.05) in cows of the experimental group on day 10. Hematocrit value increased by 11.0% (P≤0.05). In the control these indices insignificantly decreased. Consequently, respiratory and general adaptive processes were activated under the influence of cresacin. The values of biochemical indices were within the physiologic norm. In the blood of cows in the experimental group, the level of cholesterol decreased by 16.2% (P≤0.05), while the amount of follicle stimulating hormone (FSH) increased by 23.8% (P≤0.05). Probably there was an interaction of cholesterol, cresacin and FSH in metabolic processes.

Keywords: cows, Red Steppe breed, estrus synchronization, cresacin, blood parameters

Acknowledgements: the work was performed in accordance to the plan of research works for 2021-2023 FSBRI FRC BST RAS (No. 0761-2019-0006).

For citation: Khristianovsky PI, Platonov SA, Medetov ES. Changes in the morphological and biochemical composition of the blood with the inclusion of cresacin in the estrus synchronization scheme in cows. Animal Husbandry and Fodder Production. 2023;106(3):67-75. (In Russ.). https://doi.org/10.33284/2658-3135-106-3-67  

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Information about the authors:

Pavel I Khristianovsky, Dr. Sci. (Biological), Senior Researcher of the Department of Technology of Beef Cattle Breeding and Beef Production, Federal Research Centre of Biological Systems and Agrotechnologies of the Russian Academy of Sciences, January 9, 29, 460000, Orenburg, tel.: 8(3532)43-46-78, cell: 89877814269.

Stanislav A Platonov, Cand. Sci. (Biological), Specialist of the Department of Technology of Beef Cattle Breeding and Beef Production, Federal Research Centre of Biological Systems and Agrotechnologies of the Russian Academy of Sciences, January 9, 29, 460000, Orenburg, tel.: 89619483786.

Erlan S Medetov, PhD student, research specialist of the Department of Technology of Beef Cattle Breeding and Beef Production, Federal Research Centre of Biological Systems and Agrotechnologies of the Russian Academy of Sciences, January 9, 29, 460000, Orenburg.

 

The article was submitted 04.08.2023; approved after reviewing 08.09.2023; accepted for publication 11.09.2023.

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