scholarly journals Vitrification Using Soy Lecithin and Sucrose: A New Way to Store the Sperm for the Preservation of Canine Reproductive Function

Animals ◽  
2020 ◽  
Vol 10 (4) ◽  
pp. 653
Author(s):  
Maja Zakošek Pipan ◽  
Margret L. Casal ◽  
Nataša Šterbenc ◽  
Irma Virant Klun ◽  
Janko Mrkun

A challenge in freezing semen for short and long-term availability is avoiding damage to intact spermatozoa caused by the freezing process. Vitrification protocols provide better results through less manipulation of semen and shorter freezing time compared to slow freezing techniques. Our research was aimed at improving vitrification methods for canine semen. Semen quality was determined in 20 ejaculates after collection. Each ejaculate was divided into eight aliquots, each with a different extender. The control extender contained TRIS, citric acid, fructose, and antibiotics. Soy lecithin and sucrose were added to the control extender at different concentrations to make up the test extenders and final concentration of 50 × 106 spermatozoa/mL. From each group, a 33 µL (1.65 × 106 spermatozoa) suspension of spermatozoa was dropped directly into liquid nitrogen and devitrified at least one week later and evaluated as before. Soy lecithin at 1% and 0.25 M sucrose added to the base vitrification media effectively preserved all sperm qualities. Our results demonstrate the effectiveness of our methods. Vitrification media containing sucrose and soy lecithin cause a minimal decline in quality of canine semen after devitrification. Furthermore, extenders used in our research did not contain egg yolk, which was replaced by soy lecithin, thus allowing for ease of shipping to other countries with strict requirements.

2013 ◽  
Vol 25 (1) ◽  
pp. 175
Author(s):  
L. Alcaráz ◽  
M. Hidalgo ◽  
M. J. Galvez ◽  
D. Acha ◽  
I. Ortiz ◽  
...  

Density gradient centrifugation with PureSperm® (PureSperm® 40 + PureSperm® 80; Nidacon International, Mölndal, Sweden) has been satisfactorily used to enhance the quality of dog semen samples; however, no studies have been performed on the effect of single layer centrifugation (SLC) with PureSperm® on frozen–thawed dog semen. The aim of this study was to investigate if SLC with PureSperm® 80 can improve the post-thaw semen quality of dog. Semen from 5 dogs was collected by digital manipulation. Two ejaculates from each dog were centrifuged with Tris-based extender, supernatant was removed, and sperm pellet was suspended to a final concentration of 300–400 × 106 sperm mL–1 with CaniPROTM Freeze A plus 20% egg yolk at 22°C. Extended semen was cooled to 5°C within an hour and then diluted to a final concentration of 150–200 × 106 sperm mL–1 in CaniPROTM Freeze B plus 20% egg yolk at 5°C, loaded in 0.5-mL plastic straws and frozen horizontally in ranks placed 4 cm above the surface of liquid nitrogen vapors for 10 min, after which they were directly placed in liquid nitrogen. After 24 to 48 h of storage, straws were thawed in a water bath at 37°C for 30 s. After thawing, semen samples were divided in 2 aliquots: one of them was used as control and the other one was processed by SLC PureSperm® 80. Assessment of sperm motility (assessed by computerized-assisted semen analysis), morphology (Diff-Quick staining), and viability [triple fluorescent stain of propidium iodine/isothiocyanate-labeled peanut (Arachis hypogaea) agglutinin/Rhodamine 123] were evaluated in control and treated semen samples. Data were studied by ANOVA. Results are expressed as mean ± SEM. Significant (P < 0.001) differences were found between SLC-treated and control semen for sperm motility (percentage of total motile spermatozoa: 93.65 ± 0.05 v. 83.79 ± 0.13; percentage of progressive motile spermatozoa: 79.38 ± 6.66 v. 54.61 ± 16.11), morphology (86.45 ± 0.01 v. 83.51 ± 0.01), and viability (percentage of viable sperm with an intact acrosome: 58.32 ± 0.04 v. 36.50 ± 0.17; percentage of viable sperm with an acrosome reaction: 2.81 ± 0.01 v. 9.74 ± 0.21). Based on our results, we can conclude that SLC with PureSperm® 80 is an alternative and successful method for improving the quality of frozen–thawed dog spermatozoa, selecting good-quality spermatozoa (motile, morphologically normal, viable, and acrosome intact spermatozoa) from the rest of the semen sample.


2013 ◽  
Vol 25 (3) ◽  
pp. 587
Author(s):  
L. Alcaráz ◽  
M. Hidalgo ◽  
M. J. Galvez ◽  
D. Acha ◽  
I. Ortiz ◽  
...  

Density gradient centrifugation with PureSperm® (PureSperm® 40+PureSperm® 80; Nidacon International, Mölndal, Sweden) has been satisfactorily used to enhance the quality of dog semen samples; however, no studies have been performed on the effect of single layer centrifugation (SLC) with PureSperm® on frozen–thawed dog semen. The aim of this study was to investigate if SLC with PureSperm® 80 can improve the post-thaw semen quality of dog. Semen from 5 dogs was collected by digital manipulation. Two ejaculates from each dog were centrifuged with Tris-based extender, supernatant was removed, and sperm pellet was suspended to a final concentration of 300–400×106spermmL–1 with CaniPROTM Freeze A plus 20% egg yolk at 22°C. Extended semen was cooled to 5°C within an hour and then diluted to a final concentration of 150–200×106spermmL–1 in CaniPROTM Freeze B plus 20% egg yolk at 5°C, loaded in 0.5-mL plastic straws and frozen horizontally in ranks placed 4cm above the surface of liquid nitrogen vapors for 10min, after which they were directly placed in liquid nitrogen. After 24 to 48h of storage, straws were thawed in a water bath at 37°C for 30s. After thawing, semen samples were divided in 2 aliquots: one of them was used as control and the other one was processed by SLC PureSperm® 80. Assessment of sperm motility (assessed by computerized-assisted semen analysis), morphology (Diff-Quick staining), and viability [triple fluorescent stain of propidium iodine/isothiocyanate-labeled peanut (Arachis hypogaea) agglutinin/Rhodamine 123] were evaluated in control and treated semen samples. Data were studied by ANOVA. Results are expressed as mean ± SEM. Significant (P&lt;0.001) differences were found between SLC-treated and control semen for sperm motility (percentage of total motile spermatozoa: 93.65±0.05 v. 83.79±0.13; percentage of progressive motile spermatozoa: 79.38±6.66 v. 54.61±16.11), morphology (86.45±0.01 v. 83.51±0.01), and viability (percentage of viable sperm with an intact acrosome: 58.32±0.04 v. 36.50±0.17; percentage of viable sperm with an acrosome reaction: 2.81±0.01 v. 9.74±0.21). Based on our results, we can conclude that SLC with PureSperm® 80 is an alternative and successful method for improving the quality of frozen–thawed dog spermatozoa, selecting good-quality spermatozoa (motile, morphologically normal, viable, and acrosome intact spermatozoa) from the rest of the semen sample.


2019 ◽  
Vol 6 (1) ◽  
pp. 78
Author(s):  
Muhammad Ade Salim ◽  
Muhammad Nur Ihsan ◽  
Nur Isnaini ◽  
Trinil Susilawati

ABSTRAKAir kelapa muda varietas viridisdapat dijadikan pengencer aletrnatif semen cair bagi program IB di daerah minim sarana semen beku. Tujuan penelitian ini untuk menguji pengaruh penggunaan air kelapa muda viridissebagai bahan pengencer terhadap kualitas semen cair kambing Boer setelah didinginkan. Dilaksanakanselama 3 bulan di Laboratorium Fakultas Peternakan UBUnit SumberSekar,Malang. Metodenya yaitu eksperimen. Semen dari  3 pejantan Boer umur 3-5 tahun, dikoleksi seminggu sekali dengan VB. Air kelapa mudaviridis umur 5-7 bulan serta tris aminomethane sebagai kontrol. Didesain menggunakan Rancangan Acak Kelompok (RAK) dengan 2 perlakuan yaitu P0 (tris aminomethane + 10% KT) dan  P1 (air kelapa muda viridis + 10% KT) masing-masing diulang 10 kali. Data dianalisis dengan analisis Ragam (Anova) dengan software Genstat 18. Variabelnya yaitu motilitas individu, viabilitas dan abnormalitas. Hasil penelitian yaitu motilitas individu pada P1bertahan sampai 4 hari (40,5± 24,3%), viabilitas terbaik sampai hari ke-5 (42±24,6%), abnormalitas terendah di hari ke-7(1,31± 0,6). Kesimpulannya, Pengencer air kelapa muda viridis dapat mempertahankan kualitas semen cair kambing Boer selama 4 hari untuk motilitas dan 5 hari untuk viabilitas.Kata Kunci:pengencer, air kelapa, varietas viridisABSTRACTYoung viridis coconut water could be used as an alternative to liquid semen diluent for artificial insemination program in the area with limited facility for frozen semen production. This study evaluated the use of young coconut water as a diluent on liquid semen quality of Boer goat after cold storage. This study was carried out for 3 months at Sumber Sekar Laboratory, Faculty of Animal Husbandry, University of Brawijaya, Malang. The semen was collected from 3 Boer bucks aged at 3 to 5 years old. The semen collection was done once a week with the aid of artificial vagina. The diluents used were young Viridis coconut (5 to 7 months old) and tris aminomethane. The method used was an experiment in a randomized block design with 2 treatments and 10 replicates. The treatments used were T0: tris aminomethane + 10% egg yolk (control) and T1:  young Viridis coconut water + 10% egg yolk. Data were analyzed by analysis of variance using Genstat 18 software. The variables measured were sperm individual motility, viability, and abnormality. The results showed that the sperm individual motility in T1 survived up to 4 days (40.5± 24.3%), the best viability at 5 days (42.0±24.6%),  while the lowest abnormality at 7 days (1.31±0.6). It could be concluded that: 1. Tris aminomethane diluent has higher quality with the storage length up to 9 days, 2. Young Viridis coconut water diluent could preserve liquid semen quality of Boer goat up to 4 days for sperm motility and 5 days for sperm viability.Keywords: diluents, coconut water, viridis variety


2017 ◽  
Vol 63 (3) ◽  
pp. 368-374
Author(s):  
Olga Churuksaeva ◽  
Larisa Kolomiets

Due to improvements in short- and long-term clinical outcomes a study of quality of life is one of the most promising trends in oncology today. This review analyzes the published literature on problems dealing with quality of life of patients with gynecological cancer. Data on quality of life with respect to the extent of anticancer treatment as well as psychological and social aspects are presented. The relationship between quality of life and survival has been estimated.


2012 ◽  
Vol 10 (7) ◽  
pp. 889-900 ◽  
Author(s):  
Sanghamitra Mohanty ◽  
Luigi Di Biase ◽  
Rong Bai ◽  
Pasquale Santangeli ◽  
Agnes Pump ◽  
...  

2011 ◽  
Vol 23 (2) ◽  
pp. 121-127 ◽  
Author(s):  
STEPHANIE FICHTNER ◽  
ISABEL DEISENHOFER ◽  
SIBYLLE KINDSMÜLLER ◽  
MARIJANA DZIJAN-HORN ◽  
STYLIANOS TZEIS ◽  
...  

2018 ◽  
Vol 12 (1) ◽  
pp. 70-73 ◽  
Author(s):  
Marwan El Ghoch ◽  
Simona Calugi ◽  
Riccardo Dalle Grave

Over the last decade, a new condition, which occurs in the presence of both sarcopenia and obesity, has been termed “sarcopenic obesity”. The term describes the coexistence of obesity, defined as the increase in body fat mass deposition, and sarcopenia, defined as the reduction in lean mass and muscle strength. However, many uncertainties still surround the condition of sarcopenic obesity in terms of its definition, the adverse short- and long-term health effects (i.e., medical disease, psychosocial functioning, quality of life and mortality) and its clinical management. The aim of this short communication is to emphasize some crucial aspects that future research should take into account in order to avoid bias and misinterpretations and to underline that the study of sarcopenic obesity should be considered a scientific and clinical priority, as reported by the European Society for Clinical Nutrition and Metabolism (ESPEN) and the European Association for the Study of Obesity (EASO).


Author(s):  
Antoni Castelló ◽  
Ramon Cladellas

Adolescence is a period where youngsters still do not know much about themselves. That makes some decisions, like those concerning vocational elections, a complicated issue that has important consequences for their life. The main goal of this piece of research is to measure implicit interests using a situated, unobtrusive computer tool (PrUnAs: Preferences Unobtrusive Assessment) as well as its connection with anxiety and personality traits: neuroticism, extraversion, self-efficacy, optimism, consciousness, and openness. Sample: 304 16-year-old adolescents enrolled in the last course of compulsory education. Instruments: Computer programs were used to measure implicit interests, career preferences, and to self-descript personality traits; finally, the paper-and-pencil test Stai was applied to measure anxiety. Results: Concordance between implicit interests and explicit choices was less than 50%. The software developed for assessing implicit interests not only proved to be an efficient tool to make them arise but also a good predictor of anxiety. Conclusions: Implicit interests and explicit elections are not the same. The approach from implicit preferences is an important shift in the approximation to vocational guiding and to reduce youngsters’ indecision level. Beyond vocational choice, this information may improve the short- and long-term quality of life and mental health.


2018 ◽  
Vol 21 (3) ◽  
pp. 4-13
Author(s):  
Małgorzata Kamińska ◽  
Joanna Golec ◽  
Dorota Czechowska

Introduction: The aim of presented study was to evaluate selected quality of life indicators for women treated surgically due to intertrochanteric femur fractures in terms of implementation of physiotherapeutic and nursing standards. Clinical Hospital in Krakow (5WSK) within the period from January 2015 to December 2016. At that time, 145 women with intertrochanteric femur fracture were admitted to the hospital. The age of the patients ranged between 58 and 92 years, with an average of 83.6 years. The following questionnaires and score scales were used to assess the quality of life: Short Pfeiffer Mental Status Questionnaire (SPMSQ), Instrumental Activities of Daily Living (IADL) scale, SF-36 Quality of Life Questionnaire, Barthel scale, HOOS scale, Geriatric Depression Scale (GDS) by Yesavage, the author’s questionnaire on rehabilitation care problems related to urinary tract infections, bed sores, pneumonia, gastrointestinal disorders, gastrointestinal infections and thromboembolic complications as well as survival rate. Results and conclusions: 1. The quality of life of women operated because of intertrochanteric femoral fractures using an intramedullary Gamma nail had deteriorated in both short and long-term observation. 2. Maintenance and individualization of nursing standards and rehabilitation in women treated surgically due to intertrochanteric femoral fractures had a positive effect on the overall process of their treatment. 3.The level of physical activity declared by women operated due to intertrochanteric femur fracture prior to the occurrence of these fractures, has a signifi cant effect on their functional results in short and long-term observation. The higher the level of physical activity of these patients before the fracture, the more favourable was the functional outcome. 4. The level of mood and self-acceptance of the disease in women treated surgically for this fracture had signifi cant impact on the process of their nursing as well as rehabilitation, and on functional status in short and long-term follow-up. The higher the level of mood and self-acceptance of the disease in these women, the better the process of their nursing, rehabilitation and the functional outcome.


Ciencia Unemi ◽  
2021 ◽  
Vol 14 (37) ◽  
pp. 15-28
Author(s):  
Maria José Ortiz Zurita ◽  
Lluís Coromina Soler

This paper explored the perceptions and career goals of undergraduate tourism students, before and during the pandemic COVID-19, in the Universidad Estatal de Milagro, in Milagro, Ecuador. The study is based on a quantitative approach. The sample is made up of 207 students during 2018 (before the COVID-19 pandemic) and 161 students in 2020 (during COVID-19). The questionnaire included questions about professional perceptions and questions about the professional goals that students have in the short and long term. Finally, perceptions exclusively related to COVID-19 were measured.  The results showed that the vast majority of the students are highly motivated and committed to pursue a career in the tourism industry. A high percentage of the participants expressed their desire to do a Tourism master degree and undertake their own tourism businesses, despite the uncertainty now generated by COVID-19. The findings also reaffirmed the importance of guiding improvements on tourism higher education and tourism industry, with the aim of ensuring the quality of the tourist services, with highly skilled professionals, especially in emerging tourist destinations as Ecuador.


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