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Relevant bibliographies by topics / Semen and fertility

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Academic literature on the topic 'Semen and fertility'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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Journal articles on the topic "Semen and fertility"

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Burilo, Amina Bitta, and Isaac Pastory Kashoma. "Effects of Semen Dosage and Insemination Frequency on Fertility and Hatchability in Horasi Chicken Ecotype." European Journal of Agriculture and Food Sciences 5, no. 5 (2023): 24–29. http://dx.doi.org/10.24018/ejfood.2023.5.5.713.

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The objective of this study was to assess the effect of Horasi chicken ecotype semen dilution, insemination dosage, and frequency of insemination on spermatozoa fertility potentials (hatchability and fertility). Twenty adult hens and four cockerels were used in a 2×2×2 factorial experiment. The factors were semen type (undiluted versus diluted semen), insemination volume (0.5 versus 0.1 ml), and insemination frequency (once versus twice inseminations per week). Egg fertility and hatchability among semen type, semen volume and insemination frequency varied from 68.35 ± 2.10 to 82.20 ± 2.29, and

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de Mercado, Eduardo, Helena Nieto-Cristóbal, Adrián Martín-San Juan, María José Martinez-Alborcia, and Manuel Álvarez-Rodríguez. "Could Individual Variability in Resistance to Cryopreservation (“Freezability”) Serve as a Biomarker Reflecting Boar Fertility?" Animals 15, no. 15 (2025): 2180. https://doi.org/10.3390/ani15152180.

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Subfertile boars often go undetected until they cause significant reproductive losses. Current semen quality assessments are limited in their ability to predict fertility, highlighting the need for complementary biomarkers. This study explored whether semen freezability could serve as an indirect indicator of boar fertility. Eighteen boars were classified based on historical fertility records and semen freezability, assessed by post-thaw quality. Fresh and post-thaw semen samples were analyzed using the CASA system and fluorescence microscopy. High-fertility boars showed significantly better m

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Balusa, Pranay, Swathi Bommu, and Shanmugam Murugesan. "Effect of Betaine and Raffinose in Cryopreservation Medium on Fertility in Kadaknath Chicken." Cryoletters 43, no. 5 (2022): 283–88. http://dx.doi.org/10.54680/fr22510110212.

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BACKGROUND: Kadaknath is an important indigenous chicken with black pigmentation and cryopreserved semen reputably had low fertility. OBJECTIVE: The aim of this study was to evaluate the effects of betaine and raffinose in semen extenders on post thaw semen parameters and fertility. MATERIALS AND METHODS: Semen was cryopreserved in 4% dimethyl sulfoxide (DMSO) with betaine supplemented at 0.1, 0.2 and 0.4 M or raffinose supplemented at 1, 5 and 10 mM. Post thaw semen parameters and fertility were evaluated. RESULTS: Betaine at higher concentrations significantly (p < 0.05) inhibited the pos

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Foresta, Carlo, Marco Rossata, Alberto Ferlin, and Andrea Garolla. "Semen quality and fertility." Lancet 352, no. 9143 (1998): 1861–62. http://dx.doi.org/10.1016/s0140-6736(05)79933-5.

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Murugesan, Shanmugam, and Ramkrishna Mahapatra. "Effect of zinc supplementation during cryopreservation on post-thaw chicken semen parameters and fertility." Journal of the Hellenic Veterinary Medical Society 73, no. 1 (2022): 3841–44. http://dx.doi.org/10.12681/jhvms.25997.

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The present study evaluated supplementation of zinc from different sources during chicken semen cryopreservation on post-thaw semen quality and fertility. Adult White Leghorn chicken semen was cryopreserved using 4% dimethyl sulfoxide (DMSO) in Sasaki diluent (SD). In the semen cryomixture zinc oxide (6.25 and 12.5 µM) and zinc sulphate (100 and 200 µM) was added and cryopreserved. The plastic semen straws were thawed at 5°C for 100 sec and samples were evaluated for sperm motility, live, abnormal and acrosome intact sperm. The lipid peroxidation in the seminal plasma was evaluated. The semen

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Murugesan, Shanmugam, and Ramkrishna Mahapatra. "Effect of zinc supplementation during cryopreservation on post-thaw chicken semen parameters and fertility." Journal of the Hellenic Veterinary Medical Society 73, no. 1 (2022): 3841–44. http://dx.doi.org/10.12681/jhvms.25997.

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The present study evaluated supplementation of zinc from different sources during chicken semen cryopreservation on post-thaw semen quality and fertility. Adult White Leghorn chicken semen was cryopreserved using 4% dimethyl sulfoxide (DMSO) in Sasaki diluent (SD). In the semen cryomixture zinc oxide (6.25 and 12.5 µM) and zinc sulphate (100 and 200 µM) was added and cryopreserved. The plastic semen straws were thawed at 5°C for 100 sec and samples were evaluated for sperm motility, live, abnormal and acrosome intact sperm. The lipid peroxidation in the seminal plasma was evaluated. The semen

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de Andrade, André F. "175 Analysis of Cryopreserved Semen Quality: With the Tools Available, What Is Possible to Be Interpreted." Journal of Animal Science 99, Supplement_1 (2021): 112–13. http://dx.doi.org/10.1093/jas/skab054.185.

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Abstract Identifying doses of post-thawed semen with high and low fertility potential is the main objective pursued by professionals and companies involved in commercializing frozen semen. In post-thaw semen, we can evaluate the motility characteristics and the integrity of the spermatozoa membranes and their DNA so that we can identify the number of cells that have the minimum characteristics to be considered with the potential to fertilize the oocyte. However, even with these analyzes using fluorescent probes, flow cytometry, and a computerized semen analysis system, it is impossible to pred

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ZINAMAN, MICHAEL J., CHARLES C. BROWN, SHERRY G. SELEVAN, and ERIC D. CLEGG. "Semen Quality and Human Fertility: A Prospective Study With Healthy Couples." Journal of Andrology 21, no. 1 (2000): 145–53. http://dx.doi.org/10.1002/j.1939-4640.2000.tb03284.x.

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Abstract: Measures of semen quality are used as surrogate measures of male fertility in clinical andrology, reproductive toxicology, epidemiology, and risk assessment. However, only limited data are available to relate those measures to fertility. This prospective study with 210 reproductive‐age couples was conducted to provide information on the value of semen quality measures for predicting human male fertility potential and for development of models to estimate the effects of changes in semen quality on fertility in a given population for risk assessment. Couples without known risk factors

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Pimpa, Jutarat, Supakorn Authaida, Wuttigrai Boonkum, Sarinya Rerkyusuke, Chalinee Janta, and Vibuntita Chankitisakul. "Unveiling the Potential of Aloe vera Gel Supplementation in a Cooling Extender: A Breakthrough in Enhancing Rooster Sperm Quality and Fertility Ability." Animals 14, no. 16 (2024): 2290. http://dx.doi.org/10.3390/ani14162290.

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The cooling of semen storage at 5 °C from a Thai native rooster (Pradu Hang Dum), supplemented with herbs possessing antioxidant properties, provided limited research. This study was conducted to evaluate the efficiency of Aloe vera (AV) gel supplementation at various levels on the quality of cooled semen and subsequent fertility after artificial insemination. Sixty-four chickens had semen pooled, diluted, and supplemented with different levels of AV gel (0% as control, 0.25%, 0.50%, 1.0%, 2.5%, 5.0%, 10%, and 20%), and then stored for 72 h. In Experiment 1, semen quality, malondialdehyde (MDA

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Bintari, Intan Galuh, Iswati Iswati, Setya B. Udrayana Udrayana, and Abu Bakar. "Fertility and hatchability of KUB chicken eggs results from artificial insemination using liquid semen with carrot juice supplementation." Jurnal Ilmu Peternakan dan Veteriner Tropis (Journal of Tropical Animal and Veterinary Science) 14, no. 4 (2024): 170–74. https://doi.org/10.46549/jipvet.v14i4.475.

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Fertility is the success of spermatozoa in fertilizing an egg cell, while hatchability is a number that shows an egg's high or low ability to hatch. This research aims to determine the fertility and hatchability of KUB chicken eggs that have been stored cold by adding carrot juice to the basic diluent Ringer Lactate Egg Yolk. There were 60 KUB chickens divided into two treatment groups, each comprising 30 KUB hens. The group of eggs resulting from artificial insemination used fresh semen with Ringer Lactate diluent (P0), and eggs resulting from artificial insemination used liquid semen, which

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Dissertations / Theses on the topic "Semen and fertility"

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Badenoch, D. F. "Semen analysis and fertility." Thesis, University of Oxford, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.375208.

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Naeeni, Mojgan. "Predictive values of semen parameters for fertility." Thesis, University of Sheffield, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.245535.

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Poolperm, Pariwat. "Factors Influencing Semen Quality and Fertility in Boars." NCSU, 2001. http://www.lib.ncsu.edu/theses/available/etd-20010831-112730.

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<p><p>POOLPERM, PARIWAT. Factors Influencing Semen Quality and Fertilityin Boars. (Under the direction of Drs.Glen W. Almond and William L. Flowers)<p> The objectives of this researchwere 1) determine the influence of antibiotics on semen quality, 2) determinethe association among insulin-like growth factor I (IGF-I) in seminal plasma,semen quality, and subsequent fertility, and 3) retrospectively study theassociation among semen parameters and sow fertility. In the firststudy, the effects of gentamicin (GM), amikacin (AM), neomycin sulfate(NM), and penicillin-streptomycin (PS) in sem

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Findlater, Richard Cameron Fraser. "Intrauterine insemination to improve fertility with frozen semen in sheep." Thesis, University of Nottingham, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.328811.

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Quintana, Casares Pablo Ignacio. "Studies on the relationship between characteristics of ram semen and fertility." Title page, contents and summary only, 1991. http://web4.library.adelaide.edu.au/theses/09PH/09phq7.pdf.

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Includes bibliographical references (leaves 274-316) Examines several aspects of male reproduction in the sheep, and how these are related to fertility in the female when semen is introduced by natural mating or artificial insemination.

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Botha, Alma Ester. "Effect of the acidic buffer 2-[n-morpholino] ethanesulfonic acid on frozen-thawed bull semen." Pretoria : [s.n.], 2010. http://upetd.up.ac.za/thesis/available/etd-02252010-141250/.

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Eriksson, Bengt. "Cryopreservation of boar semen : studies on sperm viability in vitro and fertility /." Uppsala : Swedish Univ. of Agricultural Sciences (Sveriges lantbruksuniv.), 2000. http://epsilon.slu.se/avh/2000/91-576-5903-6.pdf.

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Marques, Daniele Botelho Diniz. "Genetic parameters and genomic analysis of semen quality and fertility traits in pigs." Universidade Federal de Viçosa, 2017. http://www.locus.ufv.br/handle/123456789/18797.

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Submitted by Marco Antônio de Ramos Chagas (mchagas@ufv.br) on 2018-04-18T16:43:21Z No. of bitstreams: 1 texto completo.pdf: 1119071 bytes, checksum: 3dad9c3c8b4da25dfaf3676d6dcc7e69 (MD5)<br>Made available in DSpace on 2018-04-18T16:43:21Z (GMT). No. of bitstreams: 1 texto completo.pdf: 1119071 bytes, checksum: 3dad9c3c8b4da25dfaf3676d6dcc7e69 (MD5) Previous issue date: 2017-09-04<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>O uso generalizado da inseminação artificial (IA) contribuiu grandemente para o sucesso da indústria de suínos, por meio do auxílio e dissemina

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Speight, Susan Michelle. "Growth Performance, Carcass Traits, and Reproductive Characteristics in Boars Fed Diets Supplemented With an Organic Source of Selenium." Diss., Virginia Tech, 2010. http://hdl.handle.net/10919/29584.

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The objectives of this study were to assess growth and reproductive performance of boars fed a diet supplemented with organic selenium (Se). Crossbred boars received one of three treatments: I. basal diet with no supplemental Se, II. basal diet supplemented with 0.3 ppm organic Se (Sel-Plex), and, III. basal diet supplemented with 0.3 ppm sodium selenite. Nursery (n = 13 pens/treatment) boar performance was not affected (P > 0.1) by diet and only grow-finish (n = 11 pens/treatment) G:F was greater (P < 0.06) for Sel-Plex (0.378) compared with selenite (0.368) or control (0.363) boars. At 15-mo

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Cropp, Amy Rena. "Interaction of Bovine Seminal Proteins with Neutrophils." Thesis, The University of Arizona, 2006. http://hdl.handle.net/10150/193318.

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Neutrophils ordinarily infiltrate the female reproductive tract subsequent to mating or artificial insemination, resulting in reduced fertility. Recently, it was demonstrated that equine neutrophil extracellular traps (NETs) entangled sperm in these DNA-rich structures, interfering with their normal transport through the female reproductive tract. Seminal plasma (SP) or proteinaceous extracts from SP inhibited sperm-neutrophil binding and specifically degraded sperm-activated NETs, without suppressing bactericidal activity of neutrophils. Fertility-associated antigen (FAA), a 31 kDa natural

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Books on the topic "Semen and fertility"

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D, Glover Timothy, ed. Human male fertility and semen analysis. Academic Press, 1990.

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Zhang, Bing Rong. Evaluation of frozen-thawed semen from Swedish red and white AI bulls: With special reference to the relation between zona pellucida binding, in vitro fertilization and in vivo fertility. Sveriges Lantbruksuniversitet, 1998.

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Byrne, Garret P. Effects of freezing rate of ram semen on subsequent fertility in vivo and in vitro. University College Dublin, 1998.

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Condon, Cian James. Effects of freezing or liquid storage on the viability and fertility of boar spermatozoa. University College Dublin, 1998.

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Eguia, Eduardo Perez. Effects of zeranol on growth, scrotal circumference, semen characteristics and spermatogenic tissues of young beef bulls. Agricultural Experiment Station, Cooperative Extension Service, College of Agricultural and Home Economics, New Mexico State University, 1992.

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Bakst, Murray R., and H. C. Cecil. Techniques for Semen Evaluation, Semen Storage, and Fertility Determination. Poultry Science Assoc, 1997.

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Glover, Timothy D., C. L. R. Barratt, J. P. P. Tyler, and J. F. Hennessey. Human Male Fertility and Semen Analysis. Academic Pr, 1990.

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Human Male Fertility and Semen Analysis. Elsevier Science & Technology Books, 1990.

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Hales, Lavinia A. Heritability estimates for semen volume in medium white turkeys. 1987.

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Chaudhry, Dr K. Semen Fructose Estimation in Fertility Clinics: For Bulls and Men. CreateSpace Independent Publishing Platform, 2018.

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Book chapters on the topic "Semen and fertility"

1

Rambhatla, Amarnath, and Florence Boitrelle. "Role of Semen Examination in the Couple’s Fertility Assessment." In Human Semen Analysis. Springer International Publishing, 2024. http://dx.doi.org/10.1007/978-3-031-55337-0_2.

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Henkel, Ralf. "ROS and Semen Quality." In Studies on Men's Health and Fertility. Humana Press, 2012. http://dx.doi.org/10.1007/978-1-61779-776-7_15.

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Krausz, Csilla, and Ginevra Farnetani. "Clinical Interpretation of Semen Analysis." In Practical Clinical Andrology. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-11701-5_13.

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AbstractSemen analysis is a fundamental step in the evaluation of the male fertility potential. However, fertility is a “couple-concept” implying the importance of the partner’s fertility status. In fact, a part from extreme conditions (e.g., azoospermia, necrozoospermia, total immotile spermatozoa, etc.) sperm parameters are not fully predictive for natural pregnancy. Semen analysis is divided into macroscopic and microscopic evaluation, and it provides information on the efficiency of spermatogenesis and the integrity of post-testicular structures. Based on the WHO reference values, it is po

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Bishop, M. W. H., R. C. Campbell, and J. L. Hancock. "Semen Characteristics and Fertility in the Bull." In Ciba Foundation Symposium - Mammalian Germ Cells. John Wiley & Sons, Ltd., 2008. http://dx.doi.org/10.1002/9780470718841.ch10.

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Stewart, Kara R., and Robert V. Knox. "Applied animal andrology: boar." In Manual of animal andrology. CABI, 2022. http://dx.doi.org/10.1079/9781789243505.0007.

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Abstract This chapter describes the factors that affect boar fertility, including housing and environment, health and diseases and behaviour, and how to perform semen collection, semen characteristics, cryopreservation and artificial insemination.

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Shipley, Clifford F. "Applied andrology: ram and buck." In Manual of animal andrology. CABI, 2022. http://dx.doi.org/10.1079/9781789243505.0008.

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Abstract This chapter describes the factors affecting the fertility of bucks and rams, biosecurity and disease control, mating behaviour, breeding management and reproductive disorders, and how to perform semen collection, the determination of semen characteristics, cryopreservation and artificial insemination.

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Pallotti, Francesco, Marianna Pelloni, Stefano Colangelo, et al. "Environmental Impact on Semen Quality and Male Fertility." In Endocrinology. Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-030-39044-0_9.

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Pallotti, Francesco, Marianna Pelloni, Stefano Colangelo, et al. "Environmental Impact on Semen Quality and Male Fertility." In Endocrinology. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-38366-4_9-1.

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Loomis, Paul R. "Applied animal andrology: stallion." In Manual of animal andrology. CABI, 2022. http://dx.doi.org/10.1079/9781789243505.0010.

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Abstract This chapter describes the factors affecting stallion fertility, how to perform a breeding soundness evaluation, housing, handling, restraint, semen collection and characteristics, cryopreservation and artificial insemination.

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Aitken, R. John, Geoffry N. De Iuliis, and Mark A. Baker. "Direct Methods for the Detection of Reactive Oxygen Species in Human Semen Samples." In Studies on Men's Health and Fertility. Humana Press, 2012. http://dx.doi.org/10.1007/978-1-61779-776-7_14.

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Conference papers on the topic "Semen and fertility"

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Dutta, Shilpa, and Akash More. "Automation of Frozen Semen Storing System using Barcodes in Assisted Fertility Centres." In 2023 Medical Technologies Congress (TIPTEKNO). IEEE, 2023. http://dx.doi.org/10.1109/tiptekno59875.2023.10359185.

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Gulov, Alexey Nikolaevich, and Irina Nikolaevna Kolchaeva. "PRESERVATION OF HONEY BEE (APIS MELLIFERA L.) DRONE UNDILUTED SEMEN AT A TEMPERATURE ABOVE FREEZING." In Themed collection of papers from Foreign International Scientific Conference « Science in the Era of Challenges and Global Changes» Ьу НNRI «National development» in cooperation with AFP (Puerto Cabezas, Nicaragua). Мау 2023. - Caracas (Venezuela). Crossref, 2023. http://dx.doi.org/10.37539/230527.2023.22.61.002.

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The purpose of this study was to compare the viability, motility and fertility of undiluted sperm stored at a temperature of 3 °C without antibiotics and antioxidants for a year or more. The hypothesis is proposed that long-term storage at a temperature above freezing (3 °C) can produce functional changes in drone spermatozoa. Some possible effects of these functional changes in spermatozoa may be hatched diploid drones.

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Balan, Ion, Nicolae Rosca, Sergiu Balacci, et al. "Perspectivele crioconservării materialului seminal la aplicarea principiilor vitrificării cinetice." In Scientific and practical conference with international participation: "Management of the genetic fund of animals – problems, solutions, outlooks". Scientific Practical Institute of Biotechnologies in Animal Husbandry and Veterinary Medicine, 2023. http://dx.doi.org/10.61562/mgfa2023.02.

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Currently, the most widely used application of sperm preservation is slow freezing, but during this process, sperm undergo cryodestruction, which reduces via-bility and fertility properties. One of the alternatives to slow freezing for spermatozoa is kinetic vitrification, with emerging potential showing encouraging results for vitrification of sperm used in assisted reproduction technologies of the animal kingdom. The application of kinetic vitrification principles is seen as a perspective methodology to different experi-mental models of semen cryopreservation. Kinetic vitrification, in addit

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Rodrigues, Alana Santos, Camilly Lorrane Prates de Azevedo, Emanuele Prado Martins, et al. "Gynecology and obstetrics: Impacts of endometriosis on female fertility." In IV Seven International Congress of Health. Seven Congress, 2024. http://dx.doi.org/10.56238/homeivsevenhealth-058.

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Introduction: Endometriosis is a chronic inflammatory pathology caused by the appearance of fragments ofendometrial tissue outside the uterine cavity, which affects women of reproductive age. This condition can present with a wide variety of clinical manifestations, causing severe pelvic pain, symptoms resulting from injury to non-reproductive organs, and infertility. Studies indicate that about 30 to 50% of infertile women have endometriosis, thus suggesting a possible contribution of endometriosis in the etiopathogenesis of infertility. Therefore, in order to treat endometriosis and promote

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Vieira, Bruno Vasconcelos Borges. "Case report: calcified uterine myoma." In II INTERNATIONAL SEVEN MULTIDISCIPLINARY CONGRESS. Seven Congress, 2023. http://dx.doi.org/10.56238/homeinternationalanais-085.

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Abstract Uterine fibroids are abnormal masses of smooth muscle tissue that are usually found in the uterine body, although they can sometimes appear in the cervix. They are generally divided into three categories: subserosal (55% of cases), intramural (40%), and submucosal (5%). The exact cause of fibroids is not well established, but the hereditary factor may play a role. In addition, there is evidence that it is an estrogen-dependent tumor. Surgical treatment varies according to its location, symptoms, size, and the desire to preserve fertility or menstruation. Calcification of uterine fibro

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de Oliveira, Julyanna Dutra, André Lacerda Soares, Elimara Dias Gonçalves, Maria Elisa Machado de Mattos, and Fernanda Vieira Nicolato. "Knowledge of the nursing team about urinary incontinence and fecal incontinence in institutionalized elderly people." In VI Seven International Multidisciplinary Congress. Seven Congress, 2024. http://dx.doi.org/10.56238/sevenvimulti2024-007.

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The increase in life expectancy and the decrease in fertility rates represent the new demographic census in Brazil and in the world. The main consequence of population aging is mainly the new challenges in the treatment of pathologies resulting from advancing age and how to treat our new elderly. Among the existing geriatric diseases, the occurrence of Urinary Incontinence (UI) and Fecal Incontinence (FI) is common, representing a challenge to health professionals, especially nursing. Given this scenario, how prepared is the nursing team to face these pathologies? Objective: To analyze the kno

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Tateishi, Simone, Werner Peter Marcon, Maria José Calegari, et al. "Millet as forage and silage in livestock farming." In VI Seven International Multidisciplinary Congress. Seven Congress, 2024. http://dx.doi.org/10.56238/sevenvimulti2024-062.

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This abstract was an analysis of articles on the use of millet in animal nutrition, its fixed and variable production costs, and its development as a forage crop in the central-western region of São Paulo. In recent studies, millet Pennisetum glaucum has been a prominent alternative as a forage crop for improving degraded soils with low organic matter content. Its ease of direct planting has promoted its use by livestock farmers as a potential substitute for corn in livestock farming as a forage crop and in animal feed. Millet cultivation is positive due to its low fixed cost, being financiall

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Khussein, Abobakr Mokhamed abbakar. "Occupational and environmental factors affect semen quality: how exposure to mechanical viberation impacts reproductive indices." In All-Russian scientific conference with International Participation. Publishing house Sreda, 2023. http://dx.doi.org/10.31483/r-106760.

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It is well known that sperm is a unique cell with a function to be done by itself outside the body and this function is second to none for species’ continuity. The sperm mission of reaching the ova and is affected by both chemical and physical factors influence its ability to survive, move and fertilize the ova. Vibration as an environmental external physical stressor that affect semen viscosity and accordingly semen velocity, is reported to be prevalent among drivers occupied in industrial jobs whose inability to produce natural sperm compared to other occupation will be reviewed in this pape

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Stanyul, V. V., and M. A. Dubina. "RETROSPECTIVE ANALYSIS OF INCIDENCE OF THE POPULATION OF BRASLAV DISTRICT (2015-2019)." In SAKHAROV READINGS 2022: ENVIRONMENTAL PROBLEMS OF THE XXI CENTURY. International Sakharov Environmental Institute of Belarusian State University, 2022. http://dx.doi.org/10.46646/sakh-2022-2-55-58.

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The overall incidence of the population of Belarus over the past seven years has increased by 5.1%. At the same time, the ratio of general and primary morbidity in 2005 was 1.75%, and in 1999 it was 1.63%. This suggests that chronic diseases prevail in the structure of the general morbidity. The most important problems of public health in Belarus are the predominance of mortality over fertility, high mortality among the able-bodied population, progressive alcoholism, coupled with the frivolous attitude of citizens to their health [1]. The paper analyzed the incidence of the population of Brasl

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Pariyar, Jitendra, and Binuma Shrestha. "Clinical presentation and management of malignant germ cell ovarian tumours in BPKMCH." In 16th Annual International Conference RGCON. Thieme Medical and Scientific Publishers Private Ltd., 2016. http://dx.doi.org/10.1055/s-0039-1685406.

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Background: Germ cell malignancies account for about 5% of all ovarian cancers. These tumours grow rapidly and often produce symptoms quicker than the slow growing epithelial tumour. Commonly seen in the first two decades of life germ cell malignancies are highly chemosensitive and are potentially curable with surgery and chemotherapy. This study is the first of its kind regarding the epidemiology, management and outcome of patients with malignant germ cell tumour in Nepal. Objective: To analyze the clinical presentation and management outcomes of malignant germ cell tumours managed in B.P. Ko

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Reports on the topic "Semen and fertility"

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Adamczewska, Daria, Jolanta Słowikowska-Hilczer, and Renata Walczak-Jędrzejowska. The Association Between Vitamin D and the Components of Male Fertility: a Systematic Review. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, 2022. http://dx.doi.org/10.37766/inplasy2022.11.0151.

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Review question / Objective: The purpose of this systematic review is to provide an up-to-date, comprehensive review of the existing literature on the experimental and clinical evidence for the effects of VD on the components of male fertility, sperm parameters and sex hormone production. Condition being studied: Vitamin D serum level in relation to men semen quality and sex hormones serum concentration. Eligibility criteria: Exclusion criteria: not in English; review, meta analysis; animal studies; in vitro studies; study group < 30 subject; insufficient data; wrong or missing outcome.

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Hansen, Peter J., and Zvi Roth. Use of Oocyte and Embryo Survival Factors to Enhance Fertility of Heat-stressed Dairy Cattle. United States Department of Agriculture, 2011. http://dx.doi.org/10.32747/2011.7697105.bard.

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The overall goal was to identify survival factors that can improve pregnancy success following insemination or embryo transfer in lactating dairy cows exposed to heat stress. First, we demonstrated that oocytes are actually damaged by elevated temperature in the summer. Then we tested two thermoprotective molecules for their effect on oocyte damage caused by heat shock. One molecule, ceramide was not thermoprptective. Another, insulin-like growth factor-1 (IGF) reduced the effects of heat shock on oocyte apoptosis and oocyte cleavage when added during maturation. We also used lactating cows ex

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Miller, Gad, and Jeffrey F. Harper. Pollen fertility and the role of ROS and Ca signaling in heat stress tolerance. United States Department of Agriculture, 2013. http://dx.doi.org/10.32747/2013.7598150.bard.

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The long-term goal of this research is to understand how pollen cope with stress, and identify genes that can be manipulated in crop plants to improve reproductive success during heat stress. The specific aims were to: 1) Compare heat stress dependent changes in gene expression between wild type pollen, and mutants in which pollen are heat sensitive (cngc16) or heat tolerant (apx2-1). 2) Compare cngc16 and apx2 mutants for differences in heat-stress triggered changes in ROS, cNMP, and Ca²⁺ transients. 3) Expand a mutant screen for pollen with increased or decreased thermo-tolerance. These aims

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Rosales, María Fernanda. Impact of Early Life Shocks on Human Capital Formation: El Niño Floods in Ecuador. Inter-American Development Bank, 2014. http://dx.doi.org/10.18235/0011668.

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A growing body of research argues that early adverse experiences have lasting effects not only on later health outcomes, but also on human capital accumulation. This paper investigates the persistent effect of negative shocks early in life on children's health and cognitive outcomes, and explores whether shocks at certain periods matter more than others. The paper exploits the geographic intensity of extreme floods during the 1997-1998 El Niño phenomenon in Ecuador as a source of exogenous variation in children's exposure to a negative shock at different periods early in life. It is shown that

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