Potential applications of assisted reproductive technologies (ART) in reindeer (Rangifer tarandus)

Lindeberg, Heli; Nikitkina, Elena; Nagy, Szabolcs; Musidray, Artem; Shiryaev, G.; Kumpula, Jouko; Holand, Øystein

doi:10.1016/j.anireprosci.2021.106890

“…1 -PhD of Biological Sciences, Leading Researcher, Laboratory of Developmental Biology (ORCID 0000-0002-8496-5277); Shiriaev G.V. 1 -PhD of Agricultural Sciences, Senior Researcher, Biochemistry Group (ORCID 0000 -0002-4698-3917); Peglivanian G.K. 1 -Junior Researcher, Laboratory of Molecular Genetics (ORCID 0000-0001-5194-4851); Musidray A.A. 2 -PhD of Biological Sciences, Leading Researcher, Department of Animal Husbandry and Environmental Management of the Arctic (ORCID 0000-0002-0079-9938); Nikitin G.S. 3…”

Section: Concentration Of Anti-müllerian Hormone In the Blood Serum O...mentioning

confidence: 99%

The concentration of anti-muller hormone in the blood serum of reindeer depends on the level of sex hormones

Krutikova,

Nikitkina,

Shiriaev

et al. 2023

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0

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Reindeer husbandry is the leading branch of agriculture for the regions of the Far North. Reindeer (Rangifer tarandus) remains poorly studied from the point of view of genetics and reproduction, which hinders the intensification of development of the industry. Research is being actively conduct in the field of genetics of the productive qualities of reindeer, but the formation and functioning of its reproductive system has been little study. Hormonal regulation of the reproductive process and the formation of hormonal status at key stages of the reproductive cycle is a significant aspect of animal reproduction. Reindeer are characterized by a pronounced seasonality of reproduction, and the study of hormonal regulation of the reproductive cycle is the main aspect of the further use of assisted reproductive technologies. The work is devoted to the analysis of the level of anti-Mullerian hormone in females during the breeding season. The studies were carried out on reindeer farms of the MAU “Directorate of the Territory of Traditional Natural Resources Management of Soyots”, Buryatia, (female, n=29). The dependence of the concentration of anti-Müllerian hormone (AMH), which is a generally accepted indicator of the female ovarian reserve, on the concentration of sex hormones (progesterone, estradiol, testosterone and luteinizing hormone) in the blood serum of females was study. Hormone levels were determined by enzyme immunoassay. A higher content of sex hormones - testosterone, estradiol, progesterone and luteinizing hormone was revealed in the group of women with an AMH concentration of >1 ng/ml than in the group of women with an AMH concentration of <1 ng/ml. The significance of the differences in progesterone was p<0.05, and in estradiol – p<0.001. A low concentration of AMH (<1 ng/ml), characterizing a reduced ovarian reserve of female reindeer, corresponds to a reduced concentration of sex hormones that support reproductive function, and, conversely, a high concentration of AMH (>1 ng/ml), and, accordingly, a high ovarian reserve the reserve corresponds to an increased concentration of sex hormones - testosterone, estradiol, progesterone and luteinizing hormone.

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“…Assisted reproductive technologies (ARTs) have played an important role in bovine conservation breeding programmes and are found crucial in increasing the survivability of species that are functionally extinct or on the verge of extinction (Hildebrandt et al, 2021; Saragusty et al, 2016). ART has been exploited to a greater extent in domestic and wild animals (Biasetti et al, 2022; Hall et al, 2013; Lindeberg et al, 2021) with higher benefits. Implementation of reproductive biotechnologies such as semen cryopreservation, estrus synchronization, artificial insemination (AI), embryo transfer, in vitro embryo production and cloning has shown a positive impact in terms of shortening generation intervals and propagating genetic material among cattle populations (Rodriguez‐Martinez, 2012) and this was achieved by a thorough understanding of basic physiology of reproduction in cattle.…”

Section: Introductionmentioning

confidence: 99%

“…Assisted reproductive technologies (ARTs) have played an important role in bovine conservation breeding programmes and are found crucial in increasing the survivability of species that are functionally extinct or on the verge of extinction (Hildebrandt et al, 2021;Saragusty et al, 2016). ART has been exploited to a greater extent in domestic and wild animals (Biasetti et al, 2022;Hall et al, 2013;Lindeberg et al, 2021) with higher benefits.…”

mentioning

confidence: 99%