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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">ivm</journal-id><journal-title-group><journal-title xml:lang="ru">Международный вестник ветеринарии</journal-title><trans-title-group xml:lang="en"><trans-title>International Journal of Veterinary Medicine</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2072-2419</issn><publisher><publisher-name>SpbGUVM Publishing House</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.52419/issn2072-2419.2023.4.370</article-id><article-id custom-type="elpub" pub-id-type="custom">ivm-1196</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>АКУШЕРСТВО, ГИНЕКОЛОГИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>OBSTETRICS, GYNECOLOGY</subject></subj-group></article-categories><title-group><article-title>Влияние митохондриально-направленного антиоксиданта Mito-TEMPO на показатели качества спермы петухов в цикле криоконсервации и лиофилизации</article-title><trans-title-group xml:lang="en"><trans-title>The effect of the mitochondrial-directed antioxidant Mito-TEMPO on the quality of rooster sperm in the cryopreservation and lyophilization cycle</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4430-4770</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Курочкин</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kurochkin</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>мл. науч. сотр. лаборатории генетики, разведения и сохранения  генетических  ресурсов сельскохозяйственных  птиц</p></bio><bio xml:lang="en"><p>Jr. sci. sotr. laboratories of genetics, breeding and conservation of  genetic  resources  of  farm  birds</p></bio><email xlink:type="simple">kurochkin.anton.66@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-9504-3916</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Станишевская</surname><given-names>О. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Stanishevskaya</surname><given-names>O. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д-р биол. наук, гл. науч. сотр. лаборатории генетики, разведения и сохранения генетических ресурсов сельскохозяйственных птиц</p></bio><bio xml:lang="en"><p>Doctor of Biological Sciences, ch. sci. sotr. laboratories of genetics, breeding  and  conservation  of  genetic resources of farm birds</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1905-6373</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Силюкова</surname><given-names>Ю. Л.</given-names></name><name name-style="western" xml:lang="en"><surname>Silyukova</surname><given-names>Y. L.</given-names></name></name-alternatives><bio xml:lang="ru"><p>мл. науч. сотр. лаборатории генетики, разведения и сохранения генетических ресурсов сельскохозяйственных птиц</p></bio><bio xml:lang="en"><p>Jr. scientific.  sotr.  laboratories  of  genetics, breeding  and conservation  of  genetic resources of farm birds</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4634-7515</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Плешанов</surname><given-names>Н. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Pleshanov</surname><given-names>N. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>науч.  сотр.  лаборатории  генетики,  разведения  и сохранения генетических ресурсов сельскохозяйственных птиц</p></bio><bio xml:lang="en"><p>scientific.  sotr.  laboratories  of  genetics, breeding  and conservation  of  genetic  resources of farm birds</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Всероссийский научно-исследовательский институт генетики и разведения сельскохозяйственных животных – филиал Федерального государственного бюджетного научного учреждения «Федеральный исследовательский центр животноводства – ВИЖ имени академика Л. К. Эрнста»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>VIZ  named  after  Academician  L.  K. Ernst</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>16</day><month>12</month><year>2023</year></pub-date><volume>0</volume><issue>4</issue><fpage>370</fpage><lpage>378</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Курочкин А.А., Станишевская О.И., Силюкова Ю.Л., Плешанов Н.В., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Курочкин А.А., Станишевская О.И., Силюкова Ю.Л., Плешанов Н.В.</copyright-holder><copyright-holder xml:lang="en">Kurochkin A.A., Stanishevskaya O.I., Silyukova Y.L., Pleshanov N.V.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://vetjournal.spbguvm.ru/jour/article/view/1196">https://vetjournal.spbguvm.ru/jour/article/view/1196</self-uri><abstract><p>В репродуктивных технологиях, используемых в животноводстве, применение лиофилизированного семени возможно только с помощью технологии ИКСИ, ввиду полной потери подвижности сперматозоидов. Однако, особенности анатомического строения и развития яйцеклетки птиц не позволяют применять данную технологию. Стратегии, направленные на сохранение кинетического аппарата  лиофилизированных  сперматозоидов,  являются  наиболее  актуальными  для  птиц. Повышение митохондриальной активности клеток ввиду ее связи с энергетическим обменом и подвижностью сперматозоидов может являться одним из путей решения данной проблемы. Однако, подобных исследований по по лиофилизированному семени птиц до сих пор не было проведено. В представленном исследовании оценивалось влияние митохондриально-направленного  антиоксиданта Mito-TEMPO на  жизнеспособность,  мембранный  потенциал  митохондрий  и  генерацию  внутриклеточного  пероксида  водорода сперматозоидами петухов в цикле криоконсервации и лиофилизации. Доля клеток с интактной плазматической мембраной в лиофилизированной сперме была выше при использовании разбавителей, содержащих антиоксидант. Добавление Mito-TEMPO в концентрации 40 µМ к разбавителям Т-20 и Т-30 для целей криоконсервации семени с последующей лиофильной сушкой, позволило увеличить долю клеток с интактной плазматической мембраной в лиофилизированном семени в сравнении с контрольными разбавителями (6,12±0,11% против 10,19±0,46% и 13,19±1,30% против 15,23±1,13% соответственно, p˂0,05).  Эффективная концентрация Mito-TEMPO в разбавителях, предназначенных только для криоконсервации семени, была значительно ниже – 5 µМ. Доля клеток с интактной плазматической мембраной составила 47,97±0,64% против 55,85±1,69% и 47,25±2,97% против 63,21±1,78%, соответственно, p˂0,05. Доказан  дозозависимый эффект трегалозы в составе криозащитных разбавителей.</p></abstract><trans-abstract xml:lang="en"><p>In  reproductive  technologies  applied  in animal husbandry, using  lyophilized semen is only possible with ICSI technology, due to complete loss sperm motility. However, the anatomical  structure’s  peculiarities  and  development  of  avian  oocyte  not  allows  use this technology. Strategies aimed at preserving  kinetic  apparatus  of  lyophilized  sperm are  the  most  relevant  for  birds.  Increasing mitochondrial activity of cells due to its connection with energy metabolism and sperm motility may be one of the ways to solve this problem. However, similar studies on freeze-dried bird semen haven’t been conducted on this  moment.  The  present  study  assessed effect  of  mitochondria-targeted  antioxidant Mito-TEMPO  on  viability,  mitochondria’s membrane potential and generation of intracellular hydrogen peroxide by rooster spermatozoa  in  a  cryopreservation  and  lyophilization cycle. Proportion of cells with intact plasma membrane in lyophilized semen was higher using extenders containing an antioxidant. Addition  of  Mito-TEMPO  at  concentration of 40 µM to diluents T-20 and T-30 for the purpose of cryopreservation of semen with  subsequent  freezedrying  allowed  to increase proportion of cells with intact plasma membrane in lyophilized semen in comparison  to  control  diluents  (6.12  ±  0.11  % versus  10.19±0.46%  and 13.19±1.30% versus  15.23±1.13%,  respectively,  p˂0.05). Effective concentration of Mito-TEMPO in diluents intended only for semen cryopreservation was significantly lower - 5 µM. Proportion of cells with intact plasma membrane was  47,97±0,64%  versus  55,85±1,69%  and 47,25±2,97%  versus  63,21±1,78%,  respectively,  p˂0,  05.  Dose-dependent  effect  of trehalose in cryoprotective diluents has been proven.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>петухи</kwd><kwd>криоконсервация  спермы</kwd><kwd>лиофилизация  спермы</kwd><kwd>трегалоза</kwd><kwd>Mito-Tempo</kwd><kwd>оксидативный стресс</kwd><kwd>антиоксиданты</kwd><kwd>митохондрии</kwd><kwd>активные формы кислорода</kwd></kwd-group><kwd-group xml:lang="en"><kwd>roosters</kwd><kwd>sperm cryopreservation</kwd><kwd>sperm lyophilization</kwd><kwd>trehalose</kwd><kwd>Mito-Tempo</kwd><kwd>oxidative stress</kwd><kwd>antioxidants</kwd><kwd>mitochondria</kwd><kwd>reactive oxygen species</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Исследование выполнено при поддержке Российского научного фонда, проект № 19-16-00009П.</funding-statement><funding-statement xml:lang="en">The  study  was  carried  out  with  the  support  of  the  Russian  Science  Foundation, project No. 19-16-00009P.</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Hara H. Adverse effect of cake collapse on the functional integrity of freeze-dried bull spermatozoa / Hara H., Tagiri M., Hwang I. S., Takahashi M., Hirabayasi M. // Cryobiology. 2014. Vol. 68. № 3. P. 354.</mixed-citation><mixed-citation xml:lang="en">Hara H. Adverse effect of cake collapse on the  functional  integrity  of  freeze-dried  bull spermatozoa / Hara H., Tagiri M., Hwang I. S., Takahashi M., Hirabayasi M.  // Cryobiology. 2014. Vol. 68. № 3. P. 354.</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">Martins C. F. Effects of freeze-drying on cytology, ultrastructure, DNA fragmentation, and fertilizing ability of bovine sperm / Martins C. F., Báo S. N., Dode M. N., Correa G. A., Rumpf R. // Theriogenology. 2007. Vol. 67. № 8. P. 1307.</mixed-citation><mixed-citation xml:lang="en">Martins C. F. Effects of freeze-drying on cytology, ultrastructure, DNA fragmentation, and fertilizing ability of bovine sperm / Martins C. F., Báo S. N., Dode M. N., Correa G. A., Rumpf R. // Theriogenology. 2007. Vol. 67. № 8. P. 1307.</mixed-citation></citation-alternatives></ref><ref id="cit3"><label>3</label><citation-alternatives><mixed-citation xml:lang="ru">Плешанов Н. В. Криоустойчивость спермы петухов в зависимости от содержания в ней липидов / Плешанов Н. В., Станишевская О. И., Силюкова Ю.Л. // Генетика и разведение животных. – 2017. – № 3. – С. 34.</mixed-citation><mixed-citation xml:lang="en">Pleshanov N. V. Cryostability of rooster sperm depending on the content of lipids in it / Pleshanov N. V., Stanishevskaya O. I., Silyukova Yu.L. // Genetics and breeding of animals. - 2017. – No. 3. – p. 34.</mixed-citation></citation-alternatives></ref><ref id="cit4"><label>4</label><citation-alternatives><mixed-citation xml:lang="ru">Surai P. Polyunsaturated fatty acids, lipid peroxidation and antioxidant protection in avian semen / Surai P., Fujihara N., Speake B., Brillard J., Wishart G., Sparks N. // Asian-Australasian journal of animal sciences. 2001. Vol. 17. № 7. P. 1024.</mixed-citation><mixed-citation xml:lang="en">Surai P. Polyunsaturated fatty acids, lipid peroxidation  and  antioxidant  protection  in avian semen / Surai P., Fujihara N., Speake B.,  Brillard  J.,  Wishart  G.,  Sparks  N.    // Asian-Australasian journal of animal sciences. 2001. Vol. 17. № 7. P. 1024.</mixed-citation></citation-alternatives></ref><ref id="cit5"><label>5</label><citation-alternatives><mixed-citation xml:lang="ru">Lu X. Mitochondria-targeted antioxidant Mito-Tempo improves the post-thaw sperm quality / Lu X., Zhang Y., Bai H., Liu J., Li J., Wu B. // Cryobiology. 2018. Vol. 80. P. 26.</mixed-citation><mixed-citation xml:lang="en">Lu  X.  Mitochondria-targeted  antioxidant Mito-Tempo improves the post-thaw sperm quality / Lu X., Zhang Y., Bai H., Liu J., Li J., Wu B. // Cryobiology. 2018. Vol. 80. P. 26.</mixed-citation></citation-alternatives></ref><ref id="cit6"><label>6</label><citation-alternatives><mixed-citation xml:lang="ru">Masoudi R. The mitochondria-targeted antioxidant Mito-TEMPO conserves rooster’s cooled semen quality and fertility potential / Masoudi R., Asadzadeh N., Sharafi M. // Theriogenology. 2020. Vol. 156. P 236.</mixed-citation><mixed-citation xml:lang="en">Masoudi  R.  The  mitochondria-targeted antioxidant  Mito-TEMPO  conserves  rooster’s cooled semen quality and fertility potential  /  Masoudi  R.,  Asadzadeh  N.,  Sharafi M.  //  Theriogenology.  2020.  Vol.  156.  P 236.</mixed-citation></citation-alternatives></ref><ref id="cit7"><label>7</label><citation-alternatives><mixed-citation xml:lang="ru">Masoudi R. Effects of freezing extender supplementation with mitochondria-targeted antioxidant Mito-TEMPO on frozen-thawed rooster semen quality and reproductive performance / Masoudi R., Asadzadeh N., Sharafi M. // Animal Reproduction Science. 2021. Vol. 225. № 106671.</mixed-citation><mixed-citation xml:lang="en">Masoudi  R.  Effects  of  freezing  extender supplementation with mitochondria-targeted antioxidant Mito-TEMPO on frozen-thawed rooster semen quality and reproductive performance  /  Masoudi  R.,  Asadzadeh  N., Sharafi M. // Animal Reproduction Science. 2021. Vol. 225. № 106671.</mixed-citation></citation-alternatives></ref><ref id="cit8"><label>8</label><citation-alternatives><mixed-citation xml:lang="ru">Asadzadeh N. Fertility and flow cytometry evaluations of ram frozen semen in plant-based extender supplemented with Mito-TEMPO / Asadzadeh N., Abdollahi Z., Esmaeilkhanian S., Masoudi R. // Animal Reproduction Science. 2021. Vol. 233. № 106836.</mixed-citation><mixed-citation xml:lang="en">Asadzadeh N. Fertility and flow cytometry evaluations  of  ram  frozen  semen  in  plant-based  extender  supplemented  with  Mito-TEMPO  /  Asadzadeh  N.,  Abdollahi  Z., Esmaeilkhanian  S.,  Masoudi  R.  //  Animal Reproduction  Science.  2021.  Vol.  233. № 106836.</mixed-citation></citation-alternatives></ref><ref id="cit9"><label>9</label><citation-alternatives><mixed-citation xml:lang="ru">Stanishevskaya O. Trehalose as a stabilizer of the lipid composition of membranes and the composition of the cytosol of frozen/ thawed rooster spermatozoa / Stanishevskaya O., Silyukova Y., Tereshina V., Yanutsevich E., Pleshanov N., Kurochkin A., Fedorova E. // Agriculture. 2023. Vol.13. № 7.</mixed-citation><mixed-citation xml:lang="en">Stanishevskaya O. Trehalose as a stabilizer of the lipid composition of membranes and the  composition  of  the  cytosol  of  frozen/ thawed  rooster  spermatozoa  /  Stanishevskaya  O.,  Silyukova  Y.,  Tereshina  V.,  Yanutsevich  E.,  Pleshanov  N.,  Kurochkin  A., Fedorova E. // Agriculture. 2023. Vol.13. № 7.</mixed-citation></citation-alternatives></ref><ref id="cit10"><label>10</label><citation-alternatives><mixed-citation xml:lang="ru">Stanishevskaya O. Effects of trehalose supplementation on lipid composition of rooster spermatozoa membranes in a freeze/ thaw protocol / Stanishevskaya O., Silyukova Y., Fedorova E., Pleshanov N., Kurochkin A., Tereshina V., Ianutsevich E. // Animals. 2023. Vol 13. № 6. P. 1023.</mixed-citation><mixed-citation xml:lang="en">Stanishevskaya  O.  Effects  of  trehalose supplementation  on  lipid  composition  of rooster spermatozoa membranes in a freeze/ thaw protocol / Stanishevskaya O., Silyukova Y., Fedorova E., Pleshanov N., Kurochkin A., Tereshina V., Ianutsevich E. // Animals. 2023. Vol 13. № 6. P. 1023.</mixed-citation></citation-alternatives></ref><ref id="cit11"><label>11</label><citation-alternatives><mixed-citation xml:lang="ru">Stanishevskaya O. A successful protocol for achieving anhydrobiosis of Gallus Gallus Domesticus spermatozoa while maintaining their fertility IN VIVO / Stanishevskaya O., Silyukova Y., Pleshanov N., Kurochkin A., Fedorova E., Radaev A // Cryobiology. 2022. Vol. 104. P. 102.</mixed-citation><mixed-citation xml:lang="en">Stanishevskaya O. A successful protocol for achieving anhydrobiosis of Gallus Gallus Domesticus  spermatozoa  while  maintaining their fertility IN VIVO / Stanishevskaya O., Silyukova Y., Pleshanov N., Kurochkin A., Fedorova  E.,  Radaev  A  //  Cryobiology. 2022. Vol. 104. P. 102.</mixed-citation></citation-alternatives></ref><ref id="cit12"><label>12</label><citation-alternatives><mixed-citation xml:lang="ru">Oldenhof H. Freezing-induced uptake of disaccharides for preservation of chromatin in freeze-dried stallion sperm during accelerated aging / Oldenhof H., Zhang, M., Narten K., Bigalk J., Sydykov B., Wolkers W. F., Sieme H. // Biology of reproduction. 2017. Vol. 97. № 6. P. 892.</mixed-citation><mixed-citation xml:lang="en">Oldenhof H. Freezing-induced uptake of disaccharides for preservation of chromatin in freeze-dried stallion sperm during accelerated aging / Oldenhof H., Zhang, M., Narten K., Bigalk J., Sydykov B., Wolkers W. F.,  Sieme  H.  //  Biology  of  reproduction. 2017. Vol. 97. № 6. P. 892.</mixed-citation></citation-alternatives></ref><ref id="cit13"><label>13</label><citation-alternatives><mixed-citation xml:lang="ru">Anzalone D. A. Freeze-dried spermatozoa: An alternative biobanking option for endangered species / Anzalone D. A., Palazzese L., Iuso D., Martino G., Loi P. // Animal reproduction science. 2018. Vol. 190. P. 85.</mixed-citation><mixed-citation xml:lang="en">Anzalone  D.  A.  Freeze-dried  spermatozoa:  An  alternative  biobanking  option  for endangered  species  /  Anzalone  D.  A., Palazzese L., Iuso D., Martino G., Loi P. // Animal  reproduction  science.  2018.  Vol. 190. P. 85.</mixed-citation></citation-alternatives></ref><ref id="cit14"><label>14</label><citation-alternatives><mixed-citation xml:lang="ru">Palazzese L. DNA fragmentation in epididymal freeze-dried ram spermatozoa impairs embryo development / Palazzese L., Gosálvez J., Anzalone D. A., Loi P., Saragusty J. // Journal of reproduction and development. 2018. Vol. 64. № 5. P. 393.</mixed-citation><mixed-citation xml:lang="en">Palazzese L. DNA fragmentation in epididymal  freeze-dried  ram  spermatozoa  impairs  embryo  development  /  Palazzese  L., Gosálvez J., Anzalone D. A., Loi P., Saragusty J. // Journal of reproduction and development. 2018. Vol. 64. № 5. P. 393.</mixed-citation></citation-alternatives></ref><ref id="cit15"><label>15</label><citation-alternatives><mixed-citation xml:lang="ru">Partyka A., Lukaszewicz E., Nizanski W. Effect of cryopreservation on sperm parameters, lipid peroxidation and antioxidant enzymes activity in fowl semen. // Theriogenology. – 2012. – № 77. – P. 1497-504.</mixed-citation><mixed-citation xml:lang="en">Partyka A., Lukaszewicz E., Nizanski W. Effect of cryopreservation on sperm parameters,  lipid  peroxidation  and  antioxidant enzymes  activity  in  fowl  semen.  //  Theriogenology. – 2012. – № 77. – P. 1497-504.</mixed-citation></citation-alternatives></ref><ref id="cit16"><label>16</label><citation-alternatives><mixed-citation xml:lang="ru">Khan R., Laudadio V., Tufarelli V. Semen Traits and Seminal Plasma Biochemical Parameters in White Leghorn Layer Breeders. // Reproduction in Domestic Animals. – 2011. – № 47(2). – P. 190–195</mixed-citation><mixed-citation xml:lang="en">Khan R., Laudadio V., Tufarelli V. Semen Traits and Seminal Plasma Biochemical Parameters in White Leghorn Layer Breeders. // Reproduction in Domestic Animals. – 2011. – № 47(2). – P. 190–195</mixed-citation></citation-alternatives></ref><ref id="cit17"><label>17</label><citation-alternatives><mixed-citation xml:lang="ru">Baumber J. The effect of reactive oxygen species on equine sperm motility, viability, acrosomal integrity, mitochondrial membrane potential, and membrane lipid peroxidation / Baumber J., Ball B., Gravance C., Medina V., Davies-Morel M. // Journal of andrology. 2000. Vol. 21. № 6. P. 895.</mixed-citation><mixed-citation xml:lang="en">Baumber J. The effect of reactive oxygen species on equine sperm motility, viability, acrosomal  integrity,  mitochondrial  membrane potential, and membrane lipid peroxidation / Baumber J., Ball B., Gravance C., Medina  V.,  Davies-Morel  M.  //  Journal  of andrology. 2000. Vol. 21. № 6. P. 895.</mixed-citation></citation-alternatives></ref><ref id="cit18"><label>18</label><citation-alternatives><mixed-citation xml:lang="ru">Molinia F. Effect of monosaccharides and disaccharides in Tris-based diluents on motility, acrosome integrity and fertility of pellet frozen ram spermatozoa / Molinia F., Evans G., Quintana Casares P., Maxwel W. // Animal Reproduction Science. 1994. Vol. 36. № 1-2. P. 113.</mixed-citation><mixed-citation xml:lang="en">Molinia  F.  Effect  of  monosaccharides and disaccharides in Tris-based diluents on motility, acrosome integrity and fertility of pellet frozen ram spermatozoa / Molinia F., Evans  G.,  Quintana  Casares  P.,  Maxwel W.  // Animal  Reproduction Science.  1994. Vol. 36. № 1-2. P. 113.</mixed-citation></citation-alternatives></ref></ref-list><fn-group><fn fn-type="conflict"><p>The authors declare that there are no conflicts of interest present.</p></fn></fn-group></back></article>
