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Balogun KB, Nicholls G, Sokunbi OA, Stewart KR. Cryoprotectant effects of natural honey on spermatozoa quality of pre-freezing and frozen-thawed boar semen. J Anim Sci 2023; 101:skac384. [PMID: 36409528 PMCID: PMC9833011 DOI: 10.1093/jas/skac384] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Accepted: 11/18/2022] [Indexed: 11/23/2022] Open
Abstract
Natural honey has been successfully used in the preservation of mammalian gametes because of its beneficial properties. The objectives of this study were to determine the inclusion level of honey in extender for improving boar semen quality before freezing and to investigate the effects of honey inclusion in extender and freezing media on post-thaw quality of frozen-thawed boar semen samples. Ejaculates from six terminally crossbred boars were collected using the gloved-hand technique for two experiments. Experiment 1 was a randomized block design, evaluating four inclusion levels of honey in boar semen extender [Control (0H)-Androhep Plus or Androhep Plus with 0.25%, 0.50%, and 0.75% honey (0.25H, 0.50H, and 0.75H respectively)]. Ejaculates were pooled, aliquoted according to treatments, and cooled for 24 h at 17 ºC. The results of this experiment were used to determine inclusion levels in exp. 2. Experiment 2 was a 2 x ×3 factorial design, evaluating the inclusion of honey in boar semen extender and freezing media. Semen samples from individual boars were cooled in extender with or without honey (C0: Androhep Plus; C1: Androhep Plus + 0.25% honey). After 24 h, semen samples were evaluated, diluted in lactose-egg yolk (LEY) media, and one of three freezing media types; F0: 93% LEY + 6% glycerol + 1% Equex-STM Paste (ESP); F1: 93% LEY + (3% glycerol and 3% honey) + 1% ESP; and F2: 93% LEY + 6% glycerol + (0.5% ESP and 0.5% honey). Samples were frozen in 0.5 mL straws using a controlled-rate freezer and stored in liquid nitrogen. In exp. 1, 0.25H and 0.50H improved motility (P = 0.033) and progressive motility (P = 0.001) of cooled boar semen. Nevertheless, 0.25H was selected for exp. 2. In exp. 2, post-thaw motility and progressive motility were highest (P < 0.05) in C0F2 but not different from C1F2. Morphologically normal cells and acrosomes were higher with all inclusion levels of honey (P < 0.05). In conclusion, 0.25% and 0.50% inclusion of honey in Androhep Plus improves motility and progressive motility of cooled boar semen samples after 24 h. Supplementing Androhep Plus with 0.25% honey maintains higher normal sperm cells and acrosomes of cryopreserved boar semen. Replacing 50% Equex-STM paste with honey in freezing media improves post-thaw sperm motility, progressive motility, percentage of normal sperm, and acrosome of cryopreserved boar semen.
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Affiliation(s)
- Kayode B Balogun
- Department of Animal Sciences, Purdue University, West Lafayette, IN 47907, USA
- Department of Animal Science, University of Ibadan, Ibadan 200005, Nigeria
| | - Griffin Nicholls
- Department of Animal Sciences, Purdue University, West Lafayette, IN 47907, USA
| | - Olujide A Sokunbi
- Department of Animal Science, University of Ibadan, Ibadan 200005, Nigeria
| | - Kara R Stewart
- Department of Animal Sciences, Purdue University, West Lafayette, IN 47907, USA
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Monteiro MS, Torres MA, Passarelli MDS, Martins MP, Ravagnani GM, Papa FO, Alvarenga MA, Dell'Aqua Júnior JA, Yasui GS, Martins SMMK, de Andrade AFC. Impact of cryopreservation protocols (one- and two-step) on boar semen quality at 5 °C and post-thawing. Anim Reprod Sci 2022; 247:107093. [DOI: 10.1016/j.anireprosci.2022.107093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Revised: 10/06/2022] [Accepted: 10/12/2022] [Indexed: 11/01/2022]
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3
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Zhang R, Dong H, Zhao P, Shang C, Qi H, Ma Y, Gao C, Zhang D, Shen J, Lei Y, Jin Y, Lin P. Resveratrol and lycium barbarum polysaccharide improve Qinling giant panda (Ailuropoda melanoleuca Qinlingensis) sperm quality during cryopreservation. BMC Vet Res 2022; 18:23. [PMID: 34996430 PMCID: PMC8739993 DOI: 10.1186/s12917-021-03122-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Accepted: 12/20/2021] [Indexed: 11/23/2022] Open
Abstract
Background Semen cryopreservation has become an essential tool for conservation efforts of the giant panda (Ailuropoda melanoleuca); however, it is severely detrimental to sperm quality. Evidence has shown that antioxidants have the potential to reverse cryopreservation-induced damage in sperm. The purpose of this study was to screen effective antioxidants that could retain sperm quality during cryopreservation and to determine the optimal dose. Seven antioxidant groups, including resveratrol (RSV = 50 μM, RSV = 100 μM, RSV = 150 μM), lycium barbarum polysaccharide (LBP = 2 mg/mL, LBP = 4 mg/mL), laminaria japonica polysaccharides (LJP = 1 mg/mL) or combination (LBP = 2 mg/mL, LJP = 1 mg/mL and RSV = 100 μM) were assessed. Results RSV, LBP, LJP, or a combination of RSV, LBP, and LJP added to the freezing medium significantly improved sperm progressive motility, plasma membrane integrity, acrosome integrity, and mitochondrial activity during the cryopreservation process. Furthermore, the activities of glutathione peroxidase and superoxide dismutase were also improved. The levels of reactive oxygen species and malondialdehyde in semen were notably reduced. Hyaluronidase activity and acrosin activity were significantly increased in LBP-treated sperm. However, sperm total motility and DNA integrity were not significantly different between the groups. Conclusions RSV (50 μM) or LBP (2 mg/mL) are the best candidate antioxidants for inclusion in the freezing medium to improve the quality of giant panda spermatozoa during semen cryopreservation.
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Affiliation(s)
- Ruixue Zhang
- College of Veterinary Medicine, Northwest A & F University, Yangling, 712100, Shaanxi, China.,Key Laboratory of Animal Biotechnology, Ministry of Agriculture and Rural Affairs, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Hemeng Dong
- College of Veterinary Medicine, Northwest A & F University, Yangling, 712100, Shaanxi, China.,Key Laboratory of Animal Biotechnology, Ministry of Agriculture and Rural Affairs, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Pengpeng Zhao
- Research Center for The Qinling Giant Panda, Rescue Base of Rare Wild Animals in Shaanxi Province, Louguantai, 710402, China
| | - Chunmei Shang
- College of Veterinary Medicine, Northwest A & F University, Yangling, 712100, Shaanxi, China.,Key Laboratory of Animal Biotechnology, Ministry of Agriculture and Rural Affairs, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Hang Qi
- College of Veterinary Medicine, Northwest A & F University, Yangling, 712100, Shaanxi, China.,Key Laboratory of Animal Biotechnology, Ministry of Agriculture and Rural Affairs, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Yongjie Ma
- College of Veterinary Medicine, Northwest A & F University, Yangling, 712100, Shaanxi, China.,Key Laboratory of Animal Biotechnology, Ministry of Agriculture and Rural Affairs, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Chuxi Gao
- College of Veterinary Medicine, Northwest A & F University, Yangling, 712100, Shaanxi, China.,Key Laboratory of Animal Biotechnology, Ministry of Agriculture and Rural Affairs, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Danhui Zhang
- Research Center for The Qinling Giant Panda, Rescue Base of Rare Wild Animals in Shaanxi Province, Louguantai, 710402, China
| | - Jiena Shen
- Research Center for The Qinling Giant Panda, Rescue Base of Rare Wild Animals in Shaanxi Province, Louguantai, 710402, China
| | - Yinghu Lei
- Research Center for The Qinling Giant Panda, Rescue Base of Rare Wild Animals in Shaanxi Province, Louguantai, 710402, China.
| | - Yaping Jin
- College of Veterinary Medicine, Northwest A & F University, Yangling, 712100, Shaanxi, China. .,Key Laboratory of Animal Biotechnology, Ministry of Agriculture and Rural Affairs, Northwest A&F University, Yangling, 712100, Shaanxi, China.
| | - Pengfei Lin
- College of Veterinary Medicine, Northwest A & F University, Yangling, 712100, Shaanxi, China. .,Key Laboratory of Animal Biotechnology, Ministry of Agriculture and Rural Affairs, Northwest A&F University, Yangling, 712100, Shaanxi, China.
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Ribas-Maynou J, Mateo-Otero Y, Delgado-Bermúdez A, Bucci D, Tamanini C, Yeste M, Barranco I. Role of exogenous antioxidants on the performance and function of pig sperm after preservation in liquid and frozen states: A systematic review. Theriogenology 2021; 173:279-294. [PMID: 34411905 DOI: 10.1016/j.theriogenology.2021.07.023] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2021] [Revised: 07/05/2021] [Accepted: 07/06/2021] [Indexed: 11/26/2022]
Abstract
In situations where an excessive generation of reactive oxygen species overwhelms antioxidant capacity, a harmful effect on sperm function is exerted. Antioxidants are molecules capable of minimizing this detrimental effect, which is important in pig sperm due to the high content of polyunsaturated fatty acids in their plasma membrane. The present systematic review aims at evaluating whether supplementing semen extenders (for liquid storage at 17 °C) or freezing and/or thawing media (for cryopreservation) with antioxidants influences sperm quality and functionality parameters, and in vitro/in vivo fertility outcomes. We defined inclusion and exclusion criteria in a PICOS table according to PRISMA guidelines, and conducted a literature search through MEDLINE-PubMed in November 2020. After systematic selection, 75 studies were included: 47 focused on cryopreservation and 28 on liquid storage at 17 °C. More than 70% of the studies included in this review showed that adding semen extenders for liquid storage and/or freezing/thawing media for cryopreservation with antioxidants enhances sperm quality and functionality parameters. In addition, this supplementation improves in vivo/in vitro fertility outcomes, supporting the hypothesis that the beneficial effect observed upon sperm quality has a positive impact on reproduction outcomes.
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Affiliation(s)
- Jordi Ribas-Maynou
- Biotechnology of Animal and Human Reproduction (TechnoSperm), Institute of Food and Agricultural Technology, University of Girona, Girona, Spain; Unit of Cell Biology, Department of Biology, Faculty of Sciences, University of Girona, Girona, Spain.
| | - Yentel Mateo-Otero
- Biotechnology of Animal and Human Reproduction (TechnoSperm), Institute of Food and Agricultural Technology, University of Girona, Girona, Spain; Unit of Cell Biology, Department of Biology, Faculty of Sciences, University of Girona, Girona, Spain
| | - Ariadna Delgado-Bermúdez
- Biotechnology of Animal and Human Reproduction (TechnoSperm), Institute of Food and Agricultural Technology, University of Girona, Girona, Spain; Unit of Cell Biology, Department of Biology, Faculty of Sciences, University of Girona, Girona, Spain
| | - Diego Bucci
- Department of Veterinary Medical Sciences, University of Bologna, Bologna, Italy
| | - Carlo Tamanini
- Department of Veterinary Medical Sciences, University of Bologna, Bologna, Italy
| | - Marc Yeste
- Biotechnology of Animal and Human Reproduction (TechnoSperm), Institute of Food and Agricultural Technology, University of Girona, Girona, Spain; Unit of Cell Biology, Department of Biology, Faculty of Sciences, University of Girona, Girona, Spain
| | - Isabel Barranco
- Department of Veterinary Medical Sciences, University of Bologna, Bologna, Italy.
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5
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Washing solution and centrifugation affect kinematics of cryopreserved boar semen. JOURNAL OF ANIMAL REPRODUCTION AND BIOTECHNOLOGY 2021. [DOI: 10.12750/jarb.36.2.69] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022] Open
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6
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A new sperm selection criterion for cryopreservation of boar semen. ANNALS OF ANIMAL SCIENCE 2021. [DOI: 10.2478/aoas-2020-0095] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Abstract
This study aimed to define potential markers that could determine the suitability of ejaculate for cryopreservation. Fresh semen from eleven boars (4–7 ejaculates/boar), regardless of their sperm motility, was subjected to a cryopreservation procedure. The sperm quality before and after freezing was assessed based on the sperm membrane permeability and acrosome integrity. The results showed that it was possible to effectively cryopreserve ejaculates below the accepted standards of 70–80% of fresh motile sperm and still obtain a high cryosurvival rate. Moreover, a significant correlation was found between the percentage of viable sperm with apoptotic-like changes, viable sperm with reacted acrosomes, and the cryosurvival rate. The proposed markers for assessing the quality of fresh semen could be used to predict the success of cryopreservation procedures.
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Pezo F, Yeste M, Zambrano F, Uribe P, Risopatrón J, Sánchez R. Antioxidants and their effect on the oxidative/nitrosative stress of frozen-thawed boar sperm. Cryobiology 2020; 98:5-11. [PMID: 33248047 DOI: 10.1016/j.cryobiol.2020.11.007] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2020] [Revised: 11/10/2020] [Accepted: 11/22/2020] [Indexed: 02/07/2023]
Abstract
In swine, the use of frozen-thawed boar sperm for artificial insemination remains a suboptimal reproductive technology. Among the negative effects of cryopreservation on sperm cells, it is worth highlighting that cryopreservation causes irreversible alterations in motility and components of the sperm membrane as a result of dramatic changes in temperature (cooling/freezing curve) and osmolality. In addition, freeze-thawing may induce oxidative stress and increase the generation of reactive oxygen species (ROS) and nitrogen reactive species (RNS). While boar sperm cryopreservation has been reported to increase lipid peroxidation and the intracellular levels of hydrogen peroxide, less research on its impact on RNS has been conducted. Furthermore, previous studies have investigated the effects of supplementing cryopreservation media with antioxidants to counteract the deleterious effects of ROS and RNS. Antioxidants of synthetic origin or natural extracts have been used, with some showing noticeable and positive effects on functional sperm parameters both in vitro and in vivo. The aim of this review is to provide an update on the effect of different molecules with antioxidant capacity on the function of cryopreserved boar sperm.
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Affiliation(s)
- Felipe Pezo
- Laboratory of Reproductive Medicine and Molecular Endocrinology, Center for Translational Medicine (CEMT-BIOREN), Universidad de La Frontera, Temuco, Chile; Escuela de Medicina Veterinaria, Facultad de Recursos Naturales y Medicina Veterinaria, Universidad Santo Tomas, Chile
| | - Marc Yeste
- Biotechnology of Animal and Human Reproduction (TechnoSperm), Unit of Cell Biology, Department of Biology, Institute of Food and Agricultural Technology, Faculty of Sciences, University of Girona, Girona, Spain
| | - Fabiola Zambrano
- Laboratory of Reproductive Medicine and Molecular Endocrinology, Center for Translational Medicine (CEMT-BIOREN), Universidad de La Frontera, Temuco, Chile; Department of Preclinical Sciences, Faculty of Medicine, Universidad de La Frontera, Temuco, Chile
| | - Pamela Uribe
- Laboratory of Reproductive Medicine and Molecular Endocrinology, Center for Translational Medicine (CEMT-BIOREN), Universidad de La Frontera, Temuco, Chile; Department of Internal Medicine, Faculty of Medicine, Universidad de La Frontera, Temuco, Chile
| | - Jennie Risopatrón
- Department of Preclinical Sciences, Faculty of Medicine, Universidad de La Frontera, Temuco, Chile
| | - Raúl Sánchez
- Laboratory of Reproductive Medicine and Molecular Endocrinology, Center for Translational Medicine (CEMT-BIOREN), Universidad de La Frontera, Temuco, Chile; Department of Preclinical Sciences, Faculty of Medicine, Universidad de La Frontera, Temuco, Chile.
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8
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Pezo F, Zambrano F, Uribe P, Risopatrón J, Moya C, Cesar de Andrade AF, Burgos RA, Yeste M, Sánchez R. Oxidative and nitrosative stress in frozen-thawed pig spermatozoa. II: Effect of the addition of saccharides to freezing medium on sperm function. Cryobiology 2020; 97:5-11. [PMID: 33121933 DOI: 10.1016/j.cryobiol.2020.10.015] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2020] [Revised: 10/26/2020] [Accepted: 10/26/2020] [Indexed: 12/15/2022]
Abstract
Saccharides have bioprotective properties, with a high capacity to preserve biological proteins and membranes during sperm cryopreservation. The aim of this study was to evaluate how replacing the lactose of cryopreservation media by sucrose (SUC) or trehalose (TRE) at concentrations of 0.2 M (SUC-1 and TRE-1) and 0.25 M (SUC-2 and TRE-2) affects frozen/thawed pig spermatozoa. The media used were composed of medium A (saccharide/egg yolk) and B (saccharide/egg yolk/glycerol), their osmolality being determined prior to freezing. Cell viability, membrane lipid disorder, acrosome integrity, mitochondrial membrane potential (MMP), lipid peroxidation, thiol group oxidation, total reactive oxygen species (ROS), peroxynitrite and superoxide anion (O2●-) were determined through flow cytometry; total motility (TM), progressive motility (PM) and kinetic parameters motility were determined immediately after thawing (T0) and again 30 (T30) and 60 (T60) minutes later. The SUC-2 and TRE-2 groups maintained viability significantly and presented fewer lipid membrane disorders, respectively, both with a significant increase in MMP. The production of O2●- and peroxynitrite was lower in the TRE-2 groups compared to the control (P < 0.05). Total motility at T0 was greater in the TRE-2 group (P < 0.05). Sperm kinetics was not affected by the treatment. The use of saccharides SUC and TRE at a concentration of 0.25 M improves sperm quality, so that both non-penetrating cryoprotectants can be utilized in pig sperm freezing media.
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Affiliation(s)
- Felipe Pezo
- Laboratory of Reproductive Medicine and Molecular Endocrinology, Center for Translational Medicine (CEMT-BIOREN), Universidad de La Frontera, Temuco, Chile; Escuela de Medicina Veterinaria, Facultad de Recursos Naturales y Medicina Veterinaria, Universidad Santo Tomas, Chile
| | - Fabiola Zambrano
- Laboratory of Reproductive Medicine and Molecular Endocrinology, Center for Translational Medicine (CEMT-BIOREN), Universidad de La Frontera, Temuco, Chile; Department of Preclinical Sciences, Faculty of Medicine, Universidad de La Frontera, Temuco, Chile
| | - Pamela Uribe
- Laboratory of Reproductive Medicine and Molecular Endocrinology, Center for Translational Medicine (CEMT-BIOREN), Universidad de La Frontera, Temuco, Chile; Department of Internal Medicine, Faculty of Medicine, Universidad de La Frontera, Temuco, Chile
| | - Jennie Risopatrón
- Department of Basic Science, Faculty of Medicine, Universidad de La Frontera, Temuco, Chile
| | - Claudia Moya
- Department of Agronomic Sciences and Natural Resources, Faculty of Agricultural Sciences and Forestry, Universidad de La Frontera, Temuco, Chile
| | - André Furugen Cesar de Andrade
- Department of Animal Reproduction, School of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo, Brazil
| | - Rafael A Burgos
- Institute of Pharmacology and Morphophysiology, Faculty of Veterinary Sciences, Universidad Austral de Chile, Valdivia, Chile
| | - Marc Yeste
- Biotechnology of Animal and Human Reproduction (TechnoSperm), Unit of Cell Biology, Department of Biology, Institute of Food and Agricultural Technology, Faculty of Sciences, University of Girona, Girona, Spain
| | - Raúl Sánchez
- Laboratory of Reproductive Medicine and Molecular Endocrinology, Center for Translational Medicine (CEMT-BIOREN), Universidad de La Frontera, Temuco, Chile; Department of Preclinical Sciences, Faculty of Medicine, Universidad de La Frontera, Temuco, Chile.
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Rakha BA, Ansari MS, Akhter S, Akhter A, Blesbois E, Santiago-Moreno J. Effect of dimethylformamide on sperm quality and fertilizing ability of Indian red jungle fowl (Gallus gallus murghi). Theriogenology 2020; 149:55-61. [PMID: 32244129 DOI: 10.1016/j.theriogenology.2020.03.023] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2019] [Revised: 02/21/2020] [Accepted: 03/12/2020] [Indexed: 11/30/2022]
Abstract
The present study investigates the efficacy of dimehtlyformamide (DMF) as a permeable cryoprotectant and its effect on quality and fertility of Indian red jungle fowl sperm. Semen was collected from eight mature roosters, pooled, divided into five aliquots and diluted with red fowl extender having DMF (0%, 4%, 6%, 8% and 10%). Diluted semen samples were cooled from 37 °C to 4 °C, 20% glycerol added to control (0% DMF), equilibrated for 10 min and filled in 0.5 mL French straws, kept over liquid nitrogen vapors for 10 min and plunged into liquid nitrogen. Sperm motility, plasma membrane functionality, viability and acrosome integrity were assessed at post dilution, cooling, equilibration and freeze-thawing stage of cryopreservation. Cryopreservation stages had negative effects (P < 0.05) on semen quality parameters. Percentages of sperm motility, plasma membrane functionality, viability and acrosome integrity were recorded highest in extender having 8% DMF at post-dilution, cooling, equilibration and freeze-thawing stage. Fertility results after artificial insemination were recorded higher (P < 0.05) with 8% DMF compared to 20% glycerol. Dimehtlyformamide (8%) in red fowl extender improves the post thaw semen quality and fertility in Indian red jungle fowl and can be used effectively to avoid the contraceptive effects of glycerol.
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Affiliation(s)
- B A Rakha
- Department of Wildlife Management, Pir Mehr Ali Shah Arid Agriculture University, Rawalpindi, 46300, Pakistan.
| | - M S Ansari
- Department of Zoology, Division of Science and Technology, University of Education, College Road, Township, Lahore, 54000, Pakistan
| | - S Akhter
- Department of Zoology, Pir Mehr Ali Shah Arid Agriculture University, Rawalpindi, 46300, Pakistan
| | - A Akhter
- Department of Wildlife Management, Pir Mehr Ali Shah Arid Agriculture University, Rawalpindi, 46300, Pakistan
| | - E Blesbois
- INRA, UMR85 Physiologie de la Reproduction et des Comportements, F-37380, Nouzilly, 37380, Nouzilly, France
| | - Julian Santiago-Moreno
- Department of Animal Reproduction, INIA, Avda. Puerta de Hierro Km 5,9, 28040, Madrid, Spain
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Gonzalez-Castro RA, Trentin JM, Carnevale EM, Graham JK. Effects of extender, cryoprotectants and thawing protocol on motility of frozen-thawed stallion sperm that were refrozen for intracytoplasmic sperm injection doses. Theriogenology 2019; 136:36-42. [PMID: 31242456 DOI: 10.1016/j.theriogenology.2019.06.030] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2019] [Revised: 06/08/2019] [Accepted: 06/18/2019] [Indexed: 01/12/2023]
Abstract
We examined the effects of different freezing extenders, cryoprotectant agents (CPA) and initial thawing temperatures for preparing doses of refrozen stallion sperm for intracytoplasmic sperm injection (ICSI). Single ejaculates, from twelve stallions, were frozen in lactose-EDTA-egg yolk extender (LE) with 5% glycerol. In experiment 1, sperm were initially thawed to 5 °C or 37 °C, before being diluted in LE or skim milk-egg yolk extender (SMEY) containing either 5% glycerol (GLY), 5% methylformamide (MF) or 5% of a combination of both (GMF). In experiment 2, frozen sperm were initially thawed to 5 °C, diluted and refrozen in SMEY containing 2, 4, 6 or 8% GLY or GMF. In Experiment 1, sperm motility was reduced after each cryopreservation cycle (P < 0.05). Extender type did not affect motility after refreezing (P > 0.05), but sperm initially thawed to 5 °C exhibited higher motility than sperm thawed to 37 °C (P < 0.05). In addition, sperm refrozen in SMEY containing MF or GMF exhibited higher motility than sperm refrozen in GLY alone (P < 0.05). In experiment 2, there was an interaction between CPA and CPA concentration (P < 0.05). Sperm refrozen with GMF had higher motility than refrozen sperm with GLY (P < 0.05), and while GLY concentration did not affect post-thaw motility (P > 0.05). Sperm refrozen with 6 or 8% GMF exhibited the highest motility (P < 0.05). In conclusion, sperm motility is best maintained when thawing and refreezing stallion sperm in low sperm concentration ICSI doses by initially thawing the sperm to 5 °C and diluting the sperm in a freezing extender with 8% GMF.
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Affiliation(s)
- Raul A Gonzalez-Castro
- Department of Biomedical Sciences, Colorado State University, Equine Reproduction Laboratory, 3101 Rampart Road, Fort Collins, CO, 80521, USA
| | - Janislene M Trentin
- Graduate Program in Animal Medicine (Equine), Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Elaine M Carnevale
- Department of Biomedical Sciences, Colorado State University, Equine Reproduction Laboratory, 3101 Rampart Road, Fort Collins, CO, 80521, USA.
| | - James K Graham
- Department of Biomedical Sciences, Colorado State University, Equine Reproduction Laboratory, 3101 Rampart Road, Fort Collins, CO, 80521, USA
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Combined effects of resveratrol and epigallocatechin-3-gallate on post thaw boar sperm and IVF parameters. Theriogenology 2018; 117:16-25. [DOI: 10.1016/j.theriogenology.2018.05.016] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2017] [Revised: 04/27/2018] [Accepted: 05/15/2018] [Indexed: 12/28/2022]
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12
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Knox RV. The Fertility of Frozen Boar Sperm When used for Artificial Insemination. Reprod Domest Anim 2016; 50 Suppl 2:90-7. [PMID: 26174925 DOI: 10.1111/rda.12552] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2015] [Accepted: 05/10/2015] [Indexed: 01/03/2023]
Abstract
One of the limits to practical use of frozen boar sperm involves the lowered fertility when used for artificial insemination. Years of studies have shown that 5-6 billion sperm (approximately 3 billion viable) used in single or multiple inseminations results in pregnancy rates most often between 60 and 70% and with litter sizes between nine and 10 pigs. Yet today, it is not uncommon for studies to report pregnancy rates from 70 to 85% and litter sizes with 11-12 pigs. While global statements about the incidence and reasons for higher fertility are not conclusive, incremental fertility improvements appear independently associated with use of a minimum number of viable sperm (1-2 billion), insemination timing that increases the probability that sperm will be present close to ovulation for groups of females, selection for boar sperm survival following cryopreservation, and modification of the freeze and thaw conditions using additives to protect sperm from oxidative damage. Studies show that techniques such as intrauterine and deep uterine insemination can provide an opportunity to reduce sperm numbers and that control of time of ovulation in groups of females can reduce the need for multiple inseminations and improve the chance for AI close to ovulation. However, optimal and consistent fertility with cryopreserved boar sperm may require a multifaceted approach that includes boar selection and screening, strategic use of additives during the freezing and thawing process, post-thaw evaluation of sperm and adjustments in sperm numbers for AI, assessment of female fertility and ovulation induction for single insemination. These sequenced procedures should be developed and incorporated into a quality control system for improved fertility when using minimal numbers of cryopreserved boar sperm.
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Affiliation(s)
- R V Knox
- University of Illinois, Champaign-Urbana, IL, USA
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Yeste M. Recent Advances in Boar Sperm Cryopreservation: State of the Art and Current Perspectives. Reprod Domest Anim 2016; 50 Suppl 2:71-9. [PMID: 26174922 DOI: 10.1111/rda.12569] [Citation(s) in RCA: 77] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2015] [Accepted: 06/05/2015] [Indexed: 01/04/2023]
Abstract
While sperm cryopreservation is the best technology to store boar semen for long-term periods, only 1% of all artificial inseminations (AI) conducted worldwide are made using frozen-thawed boar sperm. With the emergence of long-term extenders for liquid storage, the use of cryopreserved sperm in routine AI is less required. However, banks of boar semen contain cryopreserved sperm and planning inseminations in AI centres may benefit from the use of frozen-thawed semen. Therefore, there is an interest in the use of this technology to preserve boar sperm. In this regard, although the first attempts to cryopreserve boar semen date back to the seventies and this technology is still considered as optimal, some relevant improvements have been made in the last decade. After giving a general picture about boar sperm cryodamage, the present review seeks to shed light on these recent cryopreservation advances. These contributions regard to protein markers for predicting ejaculate freezability, sperm selection prior to start cryopreservation procedures, additives to freezing and thawing extenders, relevance of the AI-technique and insemination-to-ovulation interval. In conclusion, most of these progresses have allowed counteracting better boar sperm cryodamage and are thus considered as forward steps for this storage method. It is also worth noting that, despite being lower than fresh/extended semen, reproductive performance outcomes following AI with frozen-thawed boar sperm are currently acceptable.
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Affiliation(s)
- M Yeste
- Nuffield Department of Obstetrics and Gynaecology, Level 3, Women's Centre, John Radcliffe Hospital, University of Oxford, Headington, Oxford, UK
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Jerez R, González N, Olaciregui M, Luño V, Blas ID, Gil L. Use of soy milk combined with different cryoprotectants for the ram semen cryopreservation. Small Rumin Res 2016. [DOI: 10.1016/j.smallrumres.2015.12.003] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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15
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Yeste M. Sperm cryopreservation update: Cryodamage, markers, and factors affecting the sperm freezability in pigs. Theriogenology 2015; 85:47-64. [PMID: 26506124 DOI: 10.1016/j.theriogenology.2015.09.047] [Citation(s) in RCA: 215] [Impact Index Per Article: 23.9] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2015] [Revised: 09/20/2015] [Accepted: 09/22/2015] [Indexed: 02/04/2023]
Abstract
Cryopreservation is the most efficient method for long-term preservation of mammalian sperm. However, freeze-thawing procedures may strongly impair the sperm function and survival and thus decrease the reproductive performance. In addition, the sperm resilience to withstand cryopreservation, also known as freezability, presents a high individual variability. The present work summarizes the principles of cryoinjury and the relevance of permeating and nonpermeating cryoprotective agents. Descriptions about sperm cryodamage are mainly focused on boar sperm, but reference to other mammalian species is also made when relevant. Main cryoinjuries not only regard to sperm motility and membrane integrity, but also to the degradation effect exerted by freeze-thawing on other important components for sperm fertilizing ability, such as mRNAs. After delving into the main differences between good and poor freezability boar ejaculates, those protein markers predicting the sperm ability to sustain cryopreservation are also mentioned. Moreover, factors that may influence sperm freezability, such as season, diet, breed, or ejaculate fractions are discussed, together with the effects of different additives, like seminal plasma and antioxidants. After briefly referring to the effects of long-term sperm preservation in frozen state and the reproductive performance of frozen-thawed boar sperm, this work speculates with new research horizons on the preservation of boar sperm, such as vitrification and freeze-drying.
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Affiliation(s)
- Marc Yeste
- Nuffield Department of Obstetrics and Gynaecology, University of Oxford, Level 3, Women's Centre, John Radcliffe Hospital, Oxford, UK.
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Shiomi HH, Pinho RO, Lima D, Siqueira JB, Santos M, Costa EV, Lopes PS, Guimarães S, Guimarães JD. Cryopreservation of Piau-Breed Wild Boar Sperm: Assessment of Cooling Curves and Centrifugation Regimes. Reprod Domest Anim 2015; 50:545-53. [PMID: 25865710 DOI: 10.1111/rda.12520] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2015] [Accepted: 03/16/2015] [Indexed: 11/29/2022]
Abstract
This study aimed to assess the effects of different cooling curves and centrifugation regimes used in cryopreservation protocols on the post-thaw viability of Piau-breed wild boar (Sus scrofa) sperm using in vitro assessment tests. Two centrifugations (800 g for 10 min and 2400 g for 3 min) and two cooling curves (conventional cooling using nitrogen vapour - freezing 1 and automated cooling using a programmed freezing machine - freezing 2) were tested. Therefore, the treatments were divided into M3 - centrifugation at 2400 g for 3 min and freezing 2; M10 - centrifugation at 800 g for 10 min and freezing 2; R3 - centrifugation at 2400 g for 3 min and freezing 1; and R10 - centrifugation at 800 g for 10 min and freezing 1. No significant differences (p > 0.05) between treatments occurred post-thawing regarding the total sperm motility means recorded. The mean values of the different treatments were not different from each other regarding the supravital staining (SV), hypo-osmotic test (HO), sperm-egg binding assay or sperm morphology. This study showed that both the cooling curve and the centrifugation regime affected the quality of post-thaw sperm, and centrifugation for shorter times and cooling curves using automated cooling are the most suitable for minimizing sperm injury.
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Affiliation(s)
- H H Shiomi
- Federal University of Viçosa (UFV), Viçosa, Brazil
| | - R O Pinho
- Federal University of Viçosa (UFV), Viçosa, Brazil
| | - Dma Lima
- Federal University of Viçosa (UFV), Viçosa, Brazil
| | - J B Siqueira
- Institute of Agricultural Science, Federal University of Vales do Jequitinhonha and Mucuri (UFVJM), Unaí, Brazil
| | - McR Santos
- Federal University of Viçosa (UFV), Viçosa, Brazil
| | - E V Costa
- Federal University of Viçosa (UFV), Viçosa, Brazil
| | - P S Lopes
- Federal University of Viçosa (UFV), Viçosa, Brazil
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Fang L, Bai C, Chen Y, Dai J, Xiang Y, Ji X, Huang C, Dong Q. Inhibition of ROS production through mitochondria-targeted antioxidant and mitochondrial uncoupling increases post-thaw sperm viability in yellow catfish. Cryobiology 2014; 69:386-93. [DOI: 10.1016/j.cryobiol.2014.09.005] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2014] [Revised: 08/07/2014] [Accepted: 09/17/2014] [Indexed: 01/22/2023]
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Trzcińska M, Bryła M, Gajda B, Gogol P. Fertility of boar semen cryopreserved in extender supplemented with butylated hydroxytoluene. Theriogenology 2014; 83:307-13. [PMID: 25468554 DOI: 10.1016/j.theriogenology.2014.07.045] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2014] [Revised: 07/25/2014] [Accepted: 07/26/2014] [Indexed: 11/29/2022]
Abstract
The present study was to determine the effect of butylated hydroxytoluene (BHT) on quality and fertilizing ability of frozen-thawed boar semen. In the first experiment, five crossbreds of Polish Landrace and Large White boars (five ejaculates per boar) were frozen in 0.5 mL straws after dilution with lactose-egg yolk-glycerol extender supplemented with 0 (control), 0.5, 1.0, and 2.0 mM BHT. The sperm quality was verified based on the motility (computer-assisted sperm analysis; total motility, %; progressive motility, %), membrane integrity (YO-PRO-1/propidium iodide [PI] assay), acrosome integrity (fluorescein isothiocyanate-conjugated with peanut agglutinin/PI), and lipid peroxidation (chemiluminescence method) at 15 minutes postthaw. In the second experiment, the semen cryopreserved in extender supplemented with 1.0 and 2.0 mM BHT were selected for intrauterine artificial insemination of synchronized gilts. An intrauterine artificial insemination with low numbers of spermatozoa (500 × 10(6)) was surgically infused into each uterine horn. The highest (P < 0.001) progressive motility (%), membrane integrity, and acrosomal integrity were noted by the addition of 1.0 and 2.0 mM BHT to the freezing extender. Moreover, the various concentrations (0.5-2.0 mM) of BHT caused a considerable decrease in lipid peroxidation in relation to the control extender (P < 0.001). The highest reproductive performance of inseminated gilts (farrowing rate, 86.7%; litter size, 10.8 ± 1.6) was observed when semen was cryopreserved in extender supplemented with 1.0 mM BHT. These findings demonstrate that the addition of 1.0 mM BHT to the freezing extender efficiently improves the fertilizing ability of postthaw boar spermatozoa.
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Affiliation(s)
- Monika Trzcińska
- National Research Institute of Animal Production, Department of Animal Reproduction Biotechnology, Balice, Kraków, Poland.
| | - Magdalena Bryła
- National Research Institute of Animal Production, Department of Animal Reproduction Biotechnology, Balice, Kraków, Poland
| | - Barbara Gajda
- National Research Institute of Animal Production, Department of Animal Reproduction Biotechnology, Balice, Kraków, Poland
| | - Piotr Gogol
- National Research Institute of Animal Production, Department of Animal Reproduction Biotechnology, Balice, Kraków, Poland
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Effects of glycerol on apoptotic signaling pathways during boar spermatozoa cryopreservation. Cryobiology 2014; 68:395-404. [DOI: 10.1016/j.cryobiol.2014.03.008] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2014] [Revised: 02/24/2014] [Accepted: 03/17/2014] [Indexed: 11/18/2022]
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Effect of different cryo-protectants on the viability of frozen/thawed semen from boars of the Piau breed. Anim Reprod Sci 2014; 146:187-92. [DOI: 10.1016/j.anireprosci.2014.02.018] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2013] [Revised: 02/19/2014] [Accepted: 02/21/2014] [Indexed: 11/20/2022]
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Alvarez-Rodríguez M, Alvarez M, Anel-López L, Martínez-Rodríguez C, Martínez-Pastor F, Borragan S, Anel L, de Paz P. The antioxidant effects of soybean lecithin- or low-density lipoprotein-based extenders for the cryopreservation of brown-bear (Ursus arctos) spermatozoa. Reprod Fertil Dev 2013; 25:1185-93. [PMID: 23312130 DOI: 10.1071/rd12181] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2012] [Accepted: 11/16/2012] [Indexed: 12/16/2023] Open
Abstract
Egg yolk low-density lipoproteins (LDL) and soybean lecithin were evaluated as replacements for egg yolk in extenders used for the cryopreservation of brown-bear spermatozoa. The motility, viability and acrosomal status of post-thawed spermatozoa were analysed, and an egg-yolk extender was used as a control. The total antioxidant capacity of these extenders was tested. Soybean lecithin showed an effect that was dependent on the soybean concentration (2%, 3.5% and 5%) and source (Type A: 24% L-α-phosphatidylcholine, and Type B: 14-23% L-α-phosphatidylcholine). Only semen cryopreserved with 5% Type A soybean exhibited a sperm motility similar to that of semen cryopreserved in egg-yolk-based extender after thawing, although the sperm viability and acrosome status were not as high. Semen frozen in an extender containing LDL (10-15%) exhibited improved sperm viability in comparison with the control, but sperm motility was lower. The LDL-based extender exhibited a higher anti-oxidant activity than the egg-yolk extender and soy lecithin-based extenders. The extenders with higher anti-oxidant activity showed improvements in frozen sperm viability but lower semen motility. These results indicate that soybean lecithin did not have the same protective effect as egg yolk during the freezing of brown-bear spermatozoa but suggest that LDL (10-15%) could be a useful substitute for egg yolk in these extenders.
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Varela Junior A, Corcini C, Gheller S, Jardim R, Lucia T, Streit D, Figueiredo M. Use of amides as cryoprotectants in extenders for frozen sperm of tambaqui, Colossoma macropomum. Theriogenology 2012; 78:244-51. [DOI: 10.1016/j.theriogenology.2012.02.029] [Citation(s) in RCA: 50] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2011] [Revised: 02/13/2012] [Accepted: 02/15/2012] [Indexed: 12/16/2022]
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Gómez-Fernández J, Gómez-Izquierdo E, Tomás C, Mocé E, de Mercado E. Effect of different monosaccharides and disaccharides on boar sperm quality after cryopreservation. Anim Reprod Sci 2012; 133:109-16. [PMID: 22771077 DOI: 10.1016/j.anireprosci.2012.06.010] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2011] [Revised: 03/14/2012] [Accepted: 06/15/2012] [Indexed: 11/29/2022]
Abstract
The aim of the present study was to evaluate the cryoprotectant effect of different non-permeating sugars for boar sperm. Pooled semen from three boars was used for the experiments. In the first experiment, the sperm quality of boar sperm cryopreserved with an egg-yolk based extender supplemented with different monosaccharides (glucose, galactose or fructose) was compared to a control cryopreserved in lactose-egg yolk extender. In the second experiment, the effect of five disaccharides (lactose, sucrose, lactulose, trehalose or melibiose) on boar sperm cryosurvival was studied. Several sperm quality parameters were assessed by flow cytometry in samples incubated for 30 and 150 min at 37°C after thawing: percentages of sperm with intact plasma membrane (SIPM), sperm presenting high plasma membrane fluidity (HPMF), sperm with intracellular reactive oxygen substances production (IROSP) and apoptotic sperm (AS). In addition, the percentages of total motile (TMS) and progressively motile sperm (PMS) were assessed at the same incubation times with a computer-assisted sperm analysis system. Freezing extenders supplemented with each of the monosaccharide presented smaller cryoprotective effect than the control extender supplemented with lactose (P<0.05). However, from the three monosaccharides tested, glucose provided the best sperm quality after freezing-thawing. With respect to the disaccharides studied, samples frozen with the extender supplemented with lactulose exhibited in general the lowest sperm quality, except for the percentage of capacitated sperm, which was highest (P<0.05) in the samples cryopreserved with the trehalose extender. Our results suggest that disaccharides have higher cryoprotective effect than monosaccharides, although the monosaccharide composition of the disaccharides is also important, since the best results were obtained with those disaccharides presenting glucose in their composition.
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Affiliation(s)
- José Gómez-Fernández
- Centro de Pruebas de Porcino, Área de Investigación Ganadera, Subdirección de Investigación y Tecnología, Instituto Tecnológico Agrario, Consejería de Agricultura y Ganadería, Junta de Castilla y León, Hontalbilla, Segovia, Spain
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Corcini C, Varela A, Pigozzo R, Rambo G, Goularte K, Calderam K, Leon P, Bongalhardo D, Lucia T. Pre-freezing and post-thawing quality of boar sperm for distinct portions of the ejaculate and as a function of protein bands present in seminal plasma. Livest Sci 2012. [DOI: 10.1016/j.livsci.2011.12.016] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Oh SA, Choi SH, Ko MH, Kang TY, Cho SR, Ko MS, Oh YM, Cho WM. Effect of Amides as a Cryoprotectant on Quality of Frozen-thawed Sperm in Korean Jeju Black Bull. JOURNAL OF ANIMAL SCIENCE AND TECHNOLOGY 2012. [DOI: 10.5187/jast.2012.54.2.95] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Parrilla I, del Olmo D, Caballero I, Tarantini T, Cuello C, Gil MA, Roca J, Martinez EA, Vazquez JM. The Effect of Glycerol Concentrations on the Post-thawIn VitroCharacteristics of Cryopreserved Sex-sorted Boar Spermatozoa. Reprod Domest Anim 2012; 47:965-74. [DOI: 10.1111/j.1439-0531.2012.02000.x] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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