{"id":32483,"date":"2020-04-16T15:46:12","date_gmt":"2020-04-16T13:46:12","guid":{"rendered":"https:\/\/www.micropticsl.com\/faq-items\/optimization-of-sperm-cryopreservation-protocol-for-peregrine-falcon-falco-peregrinus\/"},"modified":"2020-04-16T15:46:12","modified_gmt":"2020-04-16T13:46:12","slug":"optimization-of-sperm-cryopreservation-protocol-for-peregrine-falcon-falco-peregrinus","status":"publish","type":"avada_faq","link":"https:\/\/www.micropticsl.com\/es\/faq-items\/optimization-of-sperm-cryopreservation-protocol-for-peregrine-falcon-falco-peregrinus\/","title":{"rendered":"Optimization of Sperm Cryopreservation Protocol for Peregrine Falcon (Falco peregrinus)"},"content":{"rendered":"<h3>Optimization of Sperm Cryopreservation Protocol for Peregrine Falcon (Falco peregrinus)<\/h3>\n<p>Beatriz Cardoso, Irene S\u00e1nchez-Ajofr\u00edn, Cristina Casta\u00f1o, Olga Garc\u00eda-\u00c1lvarez, Milagros Cristina Esteso, Alejandro Maroto-Morales, Mar\u00eda Iniesta-Cuerda, Jos\u00e9 Juli\u00e1n Garde, Juli\u00e1n Santiago-Moreno and Ana Josefa Soler<\/p>\n<p><em>SaBio IREC (CSIC-UCLM-JCCM), ETSIAM, 02071 Albacete, Spain; Department of Animal Reproduction, INIA, 28040 Madrid, Spain<br \/>\n<\/em><\/p>\n<p><strong>Abstract: <\/strong>Sperm cryopreservation is a complex process that needs to be adapted to wild and domestic avian species to ensure proper efficiency. Because of its accessibility, the peregrine falcon may be used as a good model for studying other raptor species. To find the most optimal cryopreservation protocol for peregrine falcon ejaculates, sperm parameters such as motility, viability, DNA fragmentation, acrosome integrity, and mitochondrial activity were analyzed under different conditions by varying the freezing method (slow freezing in straws vs. ultrarapid freezing in pellets), thawing conditions (37 \u00b0C for 30 s vs. 5 \u00b0C for 1 min), type of cryoprotectant (DMA vs. DMSO), and concentration of DMSO (4% vs. 8%). Results show that slow cryopreservation in straws yielded greater percentages (p &lt; 0.05) of motile spermatozoa (22.5% \u00b1 4.4% vs. 0.0% \u00b1 4.1%), viable spermatozoa with intact acrosomes (84.6% \u00b1 4.3% vs. 77.4% \u00b1 4.3%), and spermatozoa with active mitochondria (41.0% \u00b1 6.7% vs.12.8% \u00b1 6.7%), compared with those obtained by the ultrarapid freezing in pellets. However, no differences were found between different thawing conditions. Moreover, all sperm motility parameters were greater (p &lt; 0.05) when DMSO was used during freezing compared with DMA, although the use of 3% and 8% DMSO produced similar results. In conclusion, these results represent important progress in the study of falcon semen cryopreservation protocol, highlighting the crucial steps of the process and the most suitable conditions.<\/p>\n<p>See full article <a href=\"https:\/\/www.mdpi.com\/2076-2615\/10\/4\/691\/htm\" target=\"_blank\" rel=\"noopener noreferrer\">here<\/a><\/p>\n<p>Animals 2020, 10(4), 691; https:\/\/doi.org\/10.3390\/ani10040691<br \/>\nReceived: 25 March 2020 \/ Revised: 9 April 2020 \/ Accepted: 14 April 2020 \/ Published: 16 April 2020<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Optimization of Sperm Cryopreservation Protocol for Peregrine Falcon (Falco peregrinus) Beatriz Cardoso, Irene S\u00e1nchez-Ajofr\u00edn, Cristina Casta\u00f1o, Olga Garc\u00eda-\u00c1lvarez, Milagros Cristina Esteso, Alejandro Maroto-Morales, Mar\u00eda Iniesta-Cuerda, Jos\u00e9 Juli\u00e1n Garde, Juli\u00e1n Santiago-Moreno and Ana Josefa Soler SaBio IREC (CSIC-UCLM-JCCM), ETSIAM, 02071 Albacete, Spain; Department of Animal Reproduction, INIA, 28040 Madrid, Spain Abstract: Sperm cryopreservation is a complex <a href=\"https:\/\/www.micropticsl.com\/es\/faq-items\/optimization-of-sperm-cryopreservation-protocol-for-peregrine-falcon-falco-peregrinus\/\"> [&#8230;]<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"menu_order":0,"comment_status":"open","ping_status":"closed","template":"","format":"standard","meta":{"footnotes":""},"faq_category":[148,244],"class_list":["post-32483","avada_faq","type-avada_faq","status-publish","format-standard","hentry","faq_category-animal-es","faq_category-bird-es"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.8 - 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