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STOCK-RAISING AND VETERINARY

DYNAMICS OF GROWTH OF SUBDOMINANT, DOMINANT FOLLICLES AND TECHNIQUE OF OVARY SCANNING USES IN COWS

А.А. Turgumbekov 1 , К. Koibagarov 1 , M.Y. Alimbekova 1 , Y.S. Ussenbekov* 1

1 Kazakh National Agrarian Research University, Almaty

doi.org/10.37884/2-2021/7 pp. 62-70 Admitted 03.03.2022 Published 30.06.2021

Abstract

To study the dynamics of the growth of subdominant and dominant follicles, the authors of the article used the method of scanning cow ovaries during the estrous cycle using a PU2200Vet device equipped with a convex endorectal transducer with a frequency of 5,0-7,0 MHz. The optimal interval for determining the growth of subdominant and dominant follicles in cows is an ultrasound scan of both ovaries with an interval of 48 hours. To determine the size of subdominant and dominant ovaries, the authors of the article recommend using the method of determining the volume of follicles, since measuring the width and length of follicles is not an accurate criterion. The minimum volume of subdominant follicles was 6,4064 mm2 (3,08х2,08 mm). According to preliminary results of ultrasound scanning in the animal under study, two growth waves of dominant follicles were established with the duration of the first growth wave of dominant follicles 4 days, the second growth wave of dominant follicles - 12 days, the growth of dominant follicles is accompanied by an increase in the population of subdominant follicles, most of the subdominant follicles have the size of the follicles 6,4064 mm2 to 42,042 mm2. The results of experimental work indicate that experiments to study the dynamics of the growth of subdominant and dominant follicles in cows should be carried out on animals with a spontaneous sexual cycle during one estrous cycle.

growth of subdominant and dominant follicles, wave of follicle growth, ultrasound scanning of the ovaries.

01 Introduction

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02 References

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Citation Links

[1]2021. DYNAMICS OF GROWTH OF SUBDOMINANT, DOMINANT FOLLICLES AND TECHNIQUE OF OVARY SCANNING USES IN COWS. Izdenister natigeler. 2 (90) (Jun. 2021), 62–70. DOI:https://doi.org/10.37884/2-2021/7.
(1)DYNAMICS OF GROWTH OF SUBDOMINANT, DOMINANT FOLLICLES AND TECHNIQUE OF OVARY SCANNING USES IN COWS. Izdenister natigeler 2021, No. 2 (90), 62-70. https://doi.org/10.37884/2-2021/7.
DYNAMICS OF GROWTH OF SUBDOMINANT, DOMINANT FOLLICLES AND TECHNIQUE OF OVARY SCANNING USES IN COWS. (2021). Izdenister Natigeler, 2 (90), 62-70. https://doi.org/10.37884/2-2021/7
DYNAMICS OF GROWTH OF SUBDOMINANT, DOMINANT FOLLICLES AND TECHNIQUE OF OVARY SCANNING USES IN COWS. Izdenister natigeler, [S. l.], n. 2 (90), p. 62–70, 2021. DOI: 10.37884/2-2021/7. Disponível em: https://natsus.kaznaru.edu.kz/index.php/research/article/view/30. Acesso em: 15 sep. 2026.
“DYNAMICS OF GROWTH OF SUBDOMINANT, DOMINANT FOLLICLES AND TECHNIQUE OF OVARY SCANNING USES IN COWS”. 2021. Izdenister Natigeler, no. 2 (90) (June): 62-70. https://doi.org/10.37884/2-2021/7.
“DYNAMICS OF GROWTH OF SUBDOMINANT, DOMINANT FOLLICLES AND TECHNIQUE OF OVARY SCANNING USES IN COWS” (2021) Izdenister natigeler, (2 (90), pp. 62–70. doi:10.37884/2-2021/7.
[1]“DYNAMICS OF GROWTH OF SUBDOMINANT, DOMINANT FOLLICLES AND TECHNIQUE OF OVARY SCANNING USES IN COWS”, Izdenister natigeler, no. 2 (90), pp. 62–70, Jun. 2021, doi: 10.37884/2-2021/7.
“DYNAMICS OF GROWTH OF SUBDOMINANT, DOMINANT FOLLICLES AND TECHNIQUE OF OVARY SCANNING USES IN COWS”. Izdenister Natigeler, no. 2 (90), June 2021, pp. 62-70, https://doi.org/10.37884/2-2021/7.
“DYNAMICS OF GROWTH OF SUBDOMINANT, DOMINANT FOLLICLES AND TECHNIQUE OF OVARY SCANNING USES IN COWS”. Izdenister natigeler, no. 2 (90) (June 30, 2021): 62–70. Accessed September 15, 2026. https://natsus.kaznaru.edu.kz/index.php/research/article/view/30.
1.DYNAMICS OF GROWTH OF SUBDOMINANT, DOMINANT FOLLICLES AND TECHNIQUE OF OVARY SCANNING USES IN COWS. Izdenister natigeler [Internet]. 2021 Jun. 30 [cited 2026 Sep. 15];(2 (90):62-70. Available from: https://natsus.kaznaru.edu.kz/index.php/research/article/view/30
1.DYNAMICS OF GROWTH OF SUBDOMINANT, DOMINANT FOLLICLES AND TECHNIQUE OF OVARY SCANNING USES IN COWS. Izdenister natigeler. 2021;(2 (90):62-70. doi:10.37884/2-2021/7