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Wang K, Jiao H, Cheng X, Zhang L, Zhang S, Liu G, Meng F, Zhan F, Yang F. Proteomic Analysis of Differences in the Freezability of Porcine Sperm Identifies α-Amylase As a Key Protein. J Proteome Res 2024; 23:2641-2650. [PMID: 38906844 DOI: 10.1021/acs.jproteome.4c00367] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/23/2024]
Abstract
To investigate the mechanisms underlying the differences in the freezability of boar semen, Yorkshire boars with freezing-tolerant semen (YT, n = 3), Yorkshire boars with freezing-sensitive semen (YS, n = 3), Landrace boars with freezing-tolerant semen (LT, n = 3), and Landrace boars with freezing-sensitive semen (LS, n = 3) were selected for this study. Their sperm was subjected to protein extraction, followed by data-independent acquisition proteomics and functional bioinformatics analysis. A total of 3042 proteins were identified, of which 2810 were quantified. Some key KEGG pathways were enriched, such as starch and sucrose metabolism, carbohydrate digestion and absorption, mineral absorption, the HIF-1 signaling pathway, and the necroptosis pathways. Through PRM verification, we found that several proteins, such as α-amylase and epididymal sperm-binding protein 1, can be used as molecular markers of the freezing resistance of boar semen. Furthermore, we found that the addition of α-amylase to cryoprotective extender could significantly improve the post-thaw motility and quality of boar semen. In summary, this study revealed some molecular markers and potential molecular pathways contributing to the high or low freezability of boar sperm, identifying α-amylase as a key protein. This study is valuable for optimizing boar semen cryopreservation technology.
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Affiliation(s)
- Kejun Wang
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450046, China
| | - Hang Jiao
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450046, China
| | - Xinrui Cheng
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450046, China
| | - Lige Zhang
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450046, China
| | - Songyuan Zhang
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450046, China
| | - Gang Liu
- National Animal Husbandry Station, Beijing 100193, China
| | - Fei Meng
- National Animal Husbandry Station, Beijing 100193, China
| | - Fengting Zhan
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450046, China
| | - Feng Yang
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450046, China
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Thema MA, Mphaphathi ML, Ledwaba MR, Nedambale TL. Sperm cryopreservation in Windsnyer boars; principles, technique, and updated outcomes. Anim Reprod 2023; 20:e20220100. [PMID: 38025997 PMCID: PMC10681127 DOI: 10.1590/1984-3143-ar2022-0100] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Accepted: 05/29/2023] [Indexed: 12/01/2023] Open
Abstract
The domestic pig breeds are in danger of extinction whereas the erosion of their gene pool is a serious concern because they significantly contribute to the rich biodiversity. Overall aim of this study was to determine the protocol for preserving the semen of the Windsnyer boars for conservation. A total of 18 ejaculates (6 replications/boar) were collected from three Windsnyer boars of proven fertility with the use of hand-gloved approach method, twice per week. Boars semen were pooled and extended with Beltsville Thawing Solution [(BTS) IMV Technologies, France], held at 18°C for 3 hours and centrifuged. The sperm pellet was re-suspended with Fraction A (20% egg yolk + BTS) and cooled at 5°C for 1 hour. Following cooling, semen was divided and diluted into different cryoprotectants (ethylene glycol, glycerol, propanediol, ethylene glycol + glycerol + propanediol) at equal contribution to make the total concentrations [4, 8, 12 and 16% and the 0% (control; without cryoprotectant)] and loaded into 0.25 mL straws. Two cryopreservation methods (liquid nitrogen vapour and controlled rated) were used to cryopreserve the semen straws. Semen straws were thawed at different temperatures (5, 18, 37 and 40°C) and evaluated for sperm motility, viability, and morphology traits. Post-thawed sperm total motility (36.0±5.3) and live normal sperm (49.5±8.3) percentages were recorded to be higher in the treatment supplemented with 16% glycerol (P<0.05). The highest sperm total motility percentage was recorded at 40°C (26.8±3.2) thawing temperature for liquid nitrogen vapour treatment (P<0.05). In conclusion, 16% glycerol was found to be the suitable cryoprotectant concentration for semen cryopreserved with liquid nitrogen vapour method and thawed at 40°C.
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Affiliation(s)
- Mamonene Angelinah Thema
- Animal Production, Germplasm Conservation and Reproductive Biotechnologies, Agricultural Research Council, Pretoria, South Africa
- Department of Animal Science, Tshwane University of Technology, Pretoria, South Africa
| | - Masindi Lottus Mphaphathi
- Animal Production, Germplasm Conservation and Reproductive Biotechnologies, Agricultural Research Council, Pretoria, South Africa
| | - Mahlatsana Ramaesela Ledwaba
- Animal Production, Germplasm Conservation and Reproductive Biotechnologies, Agricultural Research Council, Pretoria, South Africa
- Department of Animal Science, Tshwane University of Technology, Pretoria, South Africa
| | - Tshimangadzo Lucky Nedambale
- Animal Production, Germplasm Conservation and Reproductive Biotechnologies, Agricultural Research Council, Pretoria, South Africa
- Department of Animal Science, Tshwane University of Technology, Pretoria, South Africa
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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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Mehdipour M, Daghigh-Kia H, Najafi A, Martínez-Pastor F. Type III antifreeze protein (AFP) improves the post-thaw quality and in vivo fertility of rooster spermatozoa. Poult Sci 2021; 100:101291. [PMID: 34217904 PMCID: PMC8260870 DOI: 10.1016/j.psj.2021.101291] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Revised: 05/18/2021] [Accepted: 05/21/2021] [Indexed: 01/08/2023] Open
Abstract
Antifreeze proteins (AFP) have the potential for improving sperm cryopreservation. We have applied Type III antifreeze protein (AFP3) on the cryopreservation of spermatozoa from broiler breeder roosters, aiming to enhance post-thawing quality and fertility. Semen was extended at 37°C in Lake's extender containing AFP3 at 0.01, 0.1, 1, 5, and 10 µg/mL (no AFP3 as control). Post-thawing sperm assessment included sperm motility (CASA), morphology, membrane functionality by hypoosmotic swelling test (HOST), lipoperoxidation as malondialdehyde (MDA) production, and sperm viability, early apoptosis (phosphatidylserine exposure as annexin V-positive staining in viable spermatozoa), and mitochondrial activity by flow cytometry. Fertility was assessed after artificial insemination (30 hens/treatment). Total and progressive motility, membrane functionality, and mitochondrial activity increased in 0.1 and 1 µg/mL AFP, compared to control and other concentrations, whereas apoptosis was significantly lower. VAP, VSL, and viability were significantly higher for 1 µg/mL AFP3 than with the other treatments except for 0.1 µg/mL (which was not always significantly different from the control or other concentrations), and with abnormal forms being significantly lower. The proportion of fertilized and hatched eggs was also higher for 1 µg/mL AFP3, with 0.1 µg/mL also showing significantly higher results than the control, and no differences with other concentrations). In conclusion, 1 µg/mL AFP3 could improve the post-thawing results of rooster spermatozoa frozen in Lake's extender. According to our results, concentrations between 1 and 0.1 µg/mL could be similarly efficient.
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Affiliation(s)
- Mahdieh Mehdipour
- Department of Animal Science, College of Agriculture, University of Tabriz, Tabriz, Iran
| | - Hossein Daghigh-Kia
- Department of Animal Science, College of Agriculture, University of Tabriz, Tabriz, Iran.
| | - Abouzar Najafi
- Department of Animal and Poultry Science, College of Aburaihan, University of Tehran, Tehran, Iran
| | - Felipe Martínez-Pastor
- Institute of Animal Health and Cattle Development (INDEGSAL) and Department of Molecular Biology (Cell Biology), University of León, León 24071, Spain
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Poloxamer 188 and hydroxyethyl starch have a cryoprotective synergic effect improving post-thawing quality and fertility of rooster spermatozoa. Anim Reprod Sci 2021; 228:106738. [PMID: 33780711 DOI: 10.1016/j.anireprosci.2021.106738] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Revised: 03/13/2021] [Accepted: 03/15/2021] [Indexed: 11/23/2022]
Abstract
Poloxamer and hydroxyethyl starch have cytoprotective effects. In the present study, effectiveness was evaluated of these compounds as a cryoprotectant for rooster semen. In Experiment 1 (E1), poloxamer 188 (1%, P188), poloxamer 407 (1%, P407), and control groups were compared after sperm cryopreservation. Experiment 2 (E2) was conducted with 3%, 5%, and 7% of hydroxyethyl starch (H3, H5, H7), also combined with P188 (H3P188, H5P188, H7P188), based on results from E1. Sperm motility was assessed using CASA, abnormal forms and hypo-osmotic swelling (HOS) were evaluated using microscopy, and viability, apoptotic-like changes, and mitochondrial activity were determined using flow cytometry. In E2, there were assessments of fertility and hatching capacity. Results from E1 indicated total and progressive motility, velocity, membrane functionality, viability, and mitochondrial activity were greater with inclusion of P188 in semen extender, with less apoptotic-like changes (P < 0.05). In E2, HES inclusion in semen extender improved total motility, membrane functionality, and mitochondrial activity (P < 0.05), especially H5, which also markedly increased sperm viability and decreased apoptotic-like changes. The combination of P188 with HES increased sperm quality overall, with inclusion of H5P188 resulting in increases of progressive motility and VSL (P < 0.05). The H5 inclusion also increased proportion of fertilized eggs (P < 0.05). Furthermore, the combination of HES and P188 increased proportions of fertilized and hatched eggs compared with the control, with inclusion of H5P188 having the greatest effects. In conclusion, supplementation of semen extender with H5P188 increases post-thawing quality and fertility of rooster sperm, being a safe and effective method for the poultry industry.
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de Menezes GFO, Bittencourt RF, Cardoso FDL, Lents MP, Dos Santos ES, Barreto RO, de Jesus EO, Valverde MM, Ribeiro ADL. Dimethylacetamide alone or in combination with glycerol can be used for cryopreservation of ovine semen. Anim Reprod 2021; 17:e20200036. [PMID: 33791025 PMCID: PMC7995265 DOI: 10.1590/1984-3143-ar2020-0036] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
Abstract
Dimethylacetamide has been included in different extenders for the cryopreservation of semen from species with promising results. The objective of this study was to evaluate the use of dimethylacetamide (DMA) in different concentrations, associated or not with glycerol (GLY), for the cryopreservation of ovine semen, and its effects on in vitro sperm parameters and post-thaw in vivo fertility. Five semen samples of five adult Santa Ines sheep (n=25) were used. The collected ejaculates were divided among the seven treatments for subsequent cryopreservation. The treatments presented different concentrations of DMA and GLY, being divided as G1: GLY 6%; G2: DMA 3%; G3: GLY 5% + DMA 1%; G4: GLY 4% + DMA 2%; G5: GLY 3% + DMA 3%; G6: GLY 2% + DMA 4%; G7: GLY 1% + DMA 5%. %. Post-thawing of the straws, aliquots were evaluated for computerized sperm kinetics (CASA) and plasma membrane integrity, using fluorescent probes and flow cytometry. After the in vitro evaluation of the sperm parameters, in vivo testing was performed by laparoscopic artificial insemination of 72 females. The post-thaw total motility (%) evaluated by CASA were 51.4, 51.4, 50.1, 53.6, 52.3, 52.8 and 46.9, respectively, for the seven groups. And the plasma membrane integrity (%) were 19.7, 28.4, 22.3, 29.4, 24.3, 17.9 and 16.9, respectively. There were no differences (P> 0.05) between the treatments for the parameters of spermatic kinetics and membrane integrity. For females inseminated with semen from the control group (G1, GLY6%), the percentage of pregnant females was 36.1%, a result similar to that obtained with G3 treatment (GLY5% + DMA1%). In conclusion, dimethylacetamide, either alone or in combination with glycerol, can be used for cryopreservation of ovine semen.
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Affiliation(s)
- Gabriel Felipe Oliveira de Menezes
- Escola de Medicina Veterinária e Zootecnia, Universidade Federal da Bahia, Av. Adhemar de Barros, 500, Salvador, Bahia, 40170-110, Brazil
| | - Rodrigo Freitas Bittencourt
- Escola de Medicina Veterinária e Zootecnia, Universidade Federal da Bahia, Av. Adhemar de Barros, 500, Salvador, Bahia, 40170-110, Brazil
| | - Fernando de Lima Cardoso
- Escola de Medicina Veterinária e Zootecnia, Universidade Federal da Bahia, Av. Adhemar de Barros, 500, Salvador, Bahia, 40170-110, Brazil
| | - Maicon Pereira Lents
- Escola de Medicina Veterinária e Zootecnia, Universidade Federal da Bahia, Av. Adhemar de Barros, 500, Salvador, Bahia, 40170-110, Brazil
| | - Elisiane Sateles Dos Santos
- Escola de Medicina Veterinária e Zootecnia, Universidade Federal da Bahia, Av. Adhemar de Barros, 500, Salvador, Bahia, 40170-110, Brazil
| | - Renata Oliveira Barreto
- Escola de Medicina Veterinária e Zootecnia, Universidade Federal da Bahia, Av. Adhemar de Barros, 500, Salvador, Bahia, 40170-110, Brazil
| | - Edivânia Oliveira de Jesus
- Escola de Medicina Veterinária e Zootecnia, Universidade Federal da Bahia, Av. Adhemar de Barros, 500, Salvador, Bahia, 40170-110, Brazil
| | | | - Antonio de Lisboa Ribeiro
- Escola de Medicina Veterinária e Zootecnia, Universidade Federal da Bahia, Av. Adhemar de Barros, 500, Salvador, Bahia, 40170-110, Brazil
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7
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Dorado J, Hidalgo M, Acha D, Ortiz I, Bottrel M, Azcona F, Carrasco JJ, Gómez-Arrones V, Demyda-Peyrás S. Cryopreservation of Andalusian donkey (Equus asinus) spermatozoa: Use of alternative energy sources in the freezing extender affects post-thaw sperm motility patterns but not DNA stability. Anim Reprod Sci 2019; 208:106126. [PMID: 31405480 DOI: 10.1016/j.anireprosci.2019.106126] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2019] [Revised: 06/29/2019] [Accepted: 07/12/2019] [Indexed: 12/14/2022]
Abstract
The aim of this study was to compare the effect of three sugars and Equex paste in a freezing extender for donkey sperm cryopreservation. Ejaculates (n = 18) were collected from six Andalusian donkeys of proven fertility were pooled (two ejaculates per pool) and cryopreserved using a freezing extender containing three different sugars (glucose, fructose and sorbitol), with or without the addition of Equex paste. Sperm quality was assessed before and after freezing-thawing for motility, morphology, plasma membrane integrity, acrosome integrity and DNA integrity. The use of sorbitol in the freezing extender improved total and progressive sperm motility (P < 0.05) and amplitude of lateral head displacement (P < 0.01), but it reduced the values for other sperm motility variables compared with glucose (P < 0.001). The use of fructose resulted in a reduction in values for most CASA variables (P < 0.05), whereas addition of Equex paste did not have any beneficial effect on values for these variables (P > 0.05). Glucose was more effective in maintaining sperm morphology (P < 0.05), while there was no beneficial effect with the addition of Equex paste (P > 0.05). Supplementation of fructose and Equex paste in the freezing extender decreased plasma membrane integrity (P < 0.05) as compared with glucose, but there were no differences between treatments for acrosome and DNA integrity (P > 0.05), even after 24 h of incubation. The use of different sugar sources in the extender could affect the in vitro post-thaw quality of cryopreserved donkey spermatozoa, with sorbitol being an interesting alternative for improving the sperm quality. Results of the present study indicate the use of Equex paste could negatively affect post-thaw outcomes for sperm viability in this species.
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Affiliation(s)
- J Dorado
- Veterinary Reproduction Group, Department of Animal Medicine and Surgery, Faculty of Veterinary Medicine, University of Cordoba, 14071 Cordoba, Spain.
| | - M Hidalgo
- Veterinary Reproduction Group, Department of Animal Medicine and Surgery, Faculty of Veterinary Medicine, University of Cordoba, 14071 Cordoba, Spain
| | - D Acha
- Veterinary Reproduction Group, Department of Animal Medicine and Surgery, Faculty of Veterinary Medicine, University of Cordoba, 14071 Cordoba, Spain
| | - I Ortiz
- Veterinary Reproduction Group, Department of Animal Medicine and Surgery, Faculty of Veterinary Medicine, University of Cordoba, 14071 Cordoba, Spain
| | - M Bottrel
- Veterinary Reproduction Group, Department of Animal Medicine and Surgery, Faculty of Veterinary Medicine, University of Cordoba, 14071 Cordoba, Spain
| | - F Azcona
- IGEVET - Instituto de Genética Veterinaria "Ing. Fernando N. Dulout" (UNLP - CONICET LA PLATA), 1900 La Plata, Argentina; Department of Animal Production. Faculty of Veterinary Sciences. National University of La Plata, 1900 La Plata, Argentina
| | - J J Carrasco
- Equine Reproduction Center, Centro de Selección y Reproducción Animal (CENSYRA-Extremadura Government), 06007 Badajoz, Spain
| | - V Gómez-Arrones
- Equine Reproduction Center, Centro de Selección y Reproducción Animal (CENSYRA-Extremadura Government), 06007 Badajoz, Spain
| | - S Demyda-Peyrás
- IGEVET - Instituto de Genética Veterinaria "Ing. Fernando N. Dulout" (UNLP - CONICET LA PLATA), 1900 La Plata, Argentina; Department of Animal Production. Faculty of Veterinary Sciences. National University of La Plata, 1900 La Plata, Argentina; Department of Genetics, Faculty of Veterinary Medicine, University of Cordoba, 14071 Cordoba, Spain.
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8
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Bezerra LG, Souza AL, Lago AE, Campos LB, Nunes TL, Paula VV, Oliveira MF, Silva AR. Addition of Equex STM to Extender Improves Post-Thawing Longevity of Collared Peccaries' Sperm. Biopreserv Biobank 2019; 17:143-147. [DOI: 10.1089/bio.2018.0096] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- Luana G.P. Bezerra
- Laboratory of Animal Germplasm Conservation—LCGA, Department of Animal Sciences, Centro de Ciências Agrárias, Universidade Federal Rural do Semi-Árido (UFERSA), Mossoró, Rio Grande do Norte, Brazil
| | - Ana L.P. Souza
- Laboratory of Animal Germplasm Conservation—LCGA, Department of Animal Sciences, Centro de Ciências Agrárias, Universidade Federal Rural do Semi-Árido (UFERSA), Mossoró, Rio Grande do Norte, Brazil
| | - Arthur E.A. Lago
- Laboratory of Animal Germplasm Conservation—LCGA, Department of Animal Sciences, Centro de Ciências Agrárias, Universidade Federal Rural do Semi-Árido (UFERSA), Mossoró, Rio Grande do Norte, Brazil
| | - Livia B. Campos
- Laboratory of Animal Germplasm Conservation—LCGA, Department of Animal Sciences, Centro de Ciências Agrárias, Universidade Federal Rural do Semi-Árido (UFERSA), Mossoró, Rio Grande do Norte, Brazil
| | - Talita L. Nunes
- Laboratory of Animal Germplasm Conservation—LCGA, Department of Animal Sciences, Centro de Ciências Agrárias, Universidade Federal Rural do Semi-Árido (UFERSA), Mossoró, Rio Grande do Norte, Brazil
| | - Valéria V. Paula
- Laboratory of Animal Germplasm Conservation—LCGA, Department of Animal Sciences, Centro de Ciências Agrárias, Universidade Federal Rural do Semi-Árido (UFERSA), Mossoró, Rio Grande do Norte, Brazil
| | - Moacir F. Oliveira
- Laboratory of Animal Germplasm Conservation—LCGA, Department of Animal Sciences, Centro de Ciências Agrárias, Universidade Federal Rural do Semi-Árido (UFERSA), Mossoró, Rio Grande do Norte, Brazil
| | - Alexandre R. Silva
- Laboratory of Animal Germplasm Conservation—LCGA, Department of Animal Sciences, Centro de Ciências Agrárias, Universidade Federal Rural do Semi-Árido (UFERSA), Mossoró, Rio Grande do Norte, Brazil
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Yang CH, Wu TW, Cheng FP, Wang JH, Wu JT. Effects of different cryoprotectants and freezing methods on post-thaw boar semen quality. Reprod Biol 2016; 16:41-6. [PMID: 26952752 DOI: 10.1016/j.repbio.2015.12.008] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2015] [Revised: 12/21/2015] [Accepted: 12/30/2015] [Indexed: 11/12/2022]
Abstract
The current study aimed to investigate the effects of different concentrations of glycerol (0%, 1%, 2%, 3%, and 5%) and dimethylacetamide (DMA: 0%, 1%, 3%, and 5%) on post-sperm quality characteristics following semen freezing in dry ice (D) or liquid nitrogen (N). Semen was collected from Duroc boars and was allocated to 32 treatment groups for cryopreservation. Analysis of post-thaw semen quality and fertility after artificial insemination (AI) was used to examine the combinatorial effects of different treatments. The best scores for post-thaw sperm motility, sperm viability, and sperm acrosomal integrity were observed in semen frozen in: (a) dry ice in the presence of 5% glycerol and no DMA (16D-treatment); (b) dry ice in the presence of 3% glycerol and no DMA (9D-treatment); and (c) liquid nitrogen in the presence of 3% glycerol and 1% DMA (10N-treatment), with no significant difference observed among these three treatments. The farrowing rates after AI with post-thawed semen after 9D- and 10N-treatments were 33% and 50%, respectively. To summarize, the results of the present study indicated that the freezing extender containing 3% glycerol in combination with the straw-freezing method using dry ice produced the best post-thaw quality parameters of boar semen. Combinations of glycerol and DMA did not enhance the cryosurvival of boar spermatozoa.
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Affiliation(s)
- Chung-Hsun Yang
- Department of Veterinary Medicine, College of Agriculture, National Chiayi University, 580 Xinmin Road, Chiayi City, Taiwan
| | - Ting-Wen Wu
- Department of Veterinary Medicine, College of Agriculture, National Chiayi University, 580 Xinmin Road, Chiayi City, Taiwan
| | - Feng-Pang Cheng
- Department of Veterinary Medicine, College of Veterinary Medicine, National Chung Hsing University, 250 Kuo Kuang Road, Taichung, Taiwan
| | - Jiann-Hsiung Wang
- Department of Veterinary Medicine, College of Agriculture, National Chiayi University, 580 Xinmin Road, Chiayi City, Taiwan
| | - Jui-Te Wu
- Department of Veterinary Medicine, College of Agriculture, National Chiayi University, 580 Xinmin Road, Chiayi City, Taiwan; Animal Teaching Hospital, College of Agriculture, National Chiayi University, 580 Xinmin Road, Chiayi City, Taiwan.
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10
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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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Silva C, Cunha E, Blume G, Malaquias J, Báo S, Martins C. Cryopreservation of boar sperm comparing different cryoprotectants associated in media based on powdered coconut water, lactose and trehalose. Cryobiology 2015; 70:90-4. [DOI: 10.1016/j.cryobiol.2015.01.001] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2013] [Revised: 12/17/2014] [Accepted: 01/06/2015] [Indexed: 11/16/2022]
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