Browsing by Author "Taşdemir, Umut"
Now showing items 1-20 of 25
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Can linoleic acid improve the quality of frozen thawed bull sperm?
Büyükleblebici, Serhat; Taşdemir, Umut; Tuncer, Pürhan Barbaros; Durmaz, Emre; Özgürtaş, Taner; Büyükleblebici, Olga; Coşkun, Erdem; Gürcan, İsmail Safa (Cryo-Letters, 2014)BACKGROUND: Cryopreservation is known to have a detrimental effect on the motility, viability and membrane integrity of sperm cells. OBJECTIVE: The aim of this study was to investigate the effect of various amount of ... -
Comparing ethylene glycol with glycerol and with or without dithiothreitol and sucrose for cryopreservation of bull semen in egg-yolk containing extenders
Büyükleblebici, Serhat; Tuncer, Pürhan Barbaros; Bucak, Mustafa Numan; Taşdemir, Umut; Eken, Ayşe; Büyükleblebici, Olga; Durmaz, Emre; Sarıözkan, Serpil; Endirlik, Burcu Ünlü (Academic Press, 2014)There are few studies performed for investigating the roles of different ratio and cryoprotectants with dithiothreitol or sucrose on sperm motility characteristics and antioxidant capacities of post-thawed bull spermatozoa. ... -
Comparison of cryoprotective effects of lycopene and cysteamine in different cryoprotectants on bull semen and fertility results
Tuncer, Pürhan Barbaros; Büyükleblebici, Serhat; Eken, Ayşe; Taşdemir, Umut; Durmaz, Emre; Büyükleblebici, Olga; Çoşkun, Erdem (Wiley-Blackwell, 2014)Contents The objectives of this study were to compare glycerol and ethylene glycol at different concentrations as cryoprotectants and lycopene or cysteamine (with/without) as antioxidants in Tris extender for bull semen. ... -
The comparison of three different cryoprotectants in cryopreservation of Angora goat semen
Büyükleblebici, Serhat; Tuncer, Pürhan Barbaros; Taşdemir, Umut; Özgürtaş, Taner; Durmaz, Emre; Büyükleblebici, Olga (Kafkas Üniversitesi, 2014)The objective of this study was to evaluate glycerol (G), ethylene glycol (EG) and dimethylsulfoxide (DMSO) which were used two different doses on in vitro semen parameters, antioxidant enzymes activities and DNA damage ... -
Cryopreservation of bull sperm: Effects of extender supplemented with different cryoprotectants and antioxidants on sperm motility, antioxidant capacity and fertility results
Büyükleblebici, Serhat; Tuncer, Pürhan Barbaros; Bucak, Mustafa Numan; Eken, Ayşe; Sarıözkan, Serpil; Taşdemir, Umut; Endirlik, Burcu Ünlü (Elsevier Science Bv., 2014)The objectives of this study were to compare glycerol (G) and ethylene glycol (EG) at different concentrations and trehalose (T) or cysteine (C; with/without) in Tris extender for cryopreservation of bull semen. Twenty-four ... -
Cryopreservation of Ram Semen Using Capsaicin Supplemented Tris Extender
İnanç, Muhammed Enes; Avdatek, Fatih; Güngör, Şükrü; Gülhan, Mehmet Fuat; Olgaç, Kemal Tuna; Denk, Barış; Yeni, Deniz; Taşdemir, Umut (Afyon Kocatepe Üniversitesi, 2023)In this study, it was designed to reveal the effects of capsaicin on oxidative stress and freezability of ram semen. Ejaculates were taken from Sönmez rams and divided into five specimens and diluted with extender at ... -
Cryoprotective effect of vaccenic acid supplemented in bull semen extender
Avdatek, Fatih; Taşdemir, Umut; İnanç, Muhammed Enes; Yeni, Deniz; Gülhan, Mehmet Fuat; Güngör, Şükrü; Türkmen, Ruhi; Tuncer, Purhan Barbaros (Scientific and Technological Research Council of Turkey, 2022)The aim of this study was to investigate whether vaccenic acid (VA) added to TRIS semen extender has an effect on freezing bull semen. The semen was collected at intervals of three days through an artificial vagina then ... -
Effect of α--Lipoic acid supplementation to extender on quality of frozen-thawed bull semen
Büyükleblebici, Olga; Büyükleblebici, Serhat; Tuncer, Pürhan Barbaros; Özgürtaş, Taner; Taşdemir, Umut (Kafkas Üniversitesi Veteriner Fakültesi Dergisi, 2015)This study was conducted to investigate the possible protective effect of α--lipoic acid (ALA) supplementation to extender on damages in the quality of bull semen elicited by freze-thawing process-induced oxidative stres. ... -
Effect of cholesterol loaded cyclodextrin on semen cryopreservation of Aksaray Malakli shepherd dogs of different ages
İnanç, Muhammed Enes; Tekin, Koray; Olgaç, Kemal Tuna; Yılmaz, Burak; Çil, Beste; Taşdemir, Umut; Tuncer, Purhan Barbaros; Büyükleblebici Serhat (Elsevıer Scıence Bv, 2018)The objective of the study was to determine the effect of cholesterol-loaded cyclodextrin (CLC) on the quality parameters of semen from Aksaray Malakli Shepherd dogs of different age groups. Forty-eight male dogs were ... -
The effect of gallic acid addition to tris-based extender on frozen bull semen
Güngör, Şükrü; İnanç, Muhammed Enes; Avdatek, Fatih; Türkmen, Ruhi; Taşdemir, Umut (Kafkas Üniversitesi, 2021)This study aimed to determine the probable protective effect of gallic acid (GA) on the spermatological parameters of frozen-thawed bull semen. Ejaculates were collected from four Holstein bulls. The mixed ejaculate was ... -
The effect of green tea extract supplementation in bull semen cryopreservation
İnanç, Muhammed Enes; Çil, Beste; Yeni, Deniz; Avdatek, Fatih; Orakçı, Durmuş; Tuncer, Purhan Barbaros; Türkmen, Ruhi; Taşdemir, Umut (Kafkas Üniversitesi Veteriner Fakültesi Dergisi, 2019)This study aims to investigate the effect of catechin (CT), green tea extract, as a supplement to Tris extender on semen quality parameters in frozen-thawed of bull sperm. Ejaculates were taken with artificial vagina from ... -
The effect of supplementation of follicle-stimulating hormone (FSH) into the Ovsynch protocol to increase the pregnancy rate in cyclic lactating dairy cows
Yılmazbaş Mecitoğlu, Gülnaz; Keskin, Abdulkadir; Karakaya Bilen, Ebru; Taşdemir, Umut (Veterinární a farmaceutická univerzita Brno, 2022)The aim of this study was to determine the effects of the follicle stimulating hormone (FSH) supplemented in the Ovsynch protocol on pregnancy per timed artificial insemination (P/TAI) in cyclic dairy cows. All cows (n = ... -
The effects of different antioxidants on post-thaw microscopic and oxidative stress parameters in the cryopreservation of Brown-Swiss Bull Semen
Büyükleblebici, Olga; Büyükleblebici, Serhat; Taşdemir, Umut; Tuncer, Pürhan Barbaros (Kafkas Üniversitesi Veteriner Fakültesi Dergisi, 2016)The aim of this study was to research the effects of four antioxidants that had been added to semen diluents, on spermatological parameters, anti-oxidant enzymes activities and DNA integrity after the freeze-thaw procedures ... -
Effects of different doses of trehalose supplementation in egg yolk extender in frozen-thawed Angora buck semen
Tuncer, Pürhan Barbaros; Taşdemir, Umut; Büyükleblebici, Serhat; Özgürtaş, Taner; Coşkun, Erdem; Erol, Halil; Aydın, Fevzi Nuri; Gürcan, İsmail Safa (2013)Few studies have been done on the effects of trehalose supplementation in the cryopreservation of Angora buck semen. The objective of present study was to investigate the effects of the addition of trehalose at different ... -
Effects of various antioxidants on cryopreserved bull sperm quality
Taşdemir, Umut; Tuncer, Pürhan Barbaros; Büyükleblebici, Serhat; Özgürtaş, Taner; Durmaz, Emre; Büyükleblebici, Olga (Kafkas Üniversitesi, 2014)The objective of this study was to assess the effects of antioxidant supplement (A), fetuin (F), aminoacid (AS) and cysteine (CY) on the sperm parameters, plasma membrane integrity, chromatin damage and antioxidant activities ... -
Effects of various cryoprotectants on bull sperm quality, DNA integrity and oxidative stress parameters
Taşdemir, Umut; Büyükleblebici, Serhat; Tuncer, Pürhan Barbaros; Coşkun, Erdem; Özgürtaş, Taner; Aydın, Fevzi Nuri; Büyükleblebici, Olga; Gürcan, İsmail Safa (Academic Press, 2013)The objectives of this study was to compare the effects of type and concentration of cryoprotectants glycerol (G), ethylene glycol (EG) and dimethyl sulfoxide (DMSO) on the plasma membrane and DNA integrity as well as ... -
Efficiency of two different synchronization protocols in conception in simmental heifers
Bulut, Gaye; Taşdemir, Umut (Afyon Kocatepe Üniversitesi, 2020)This study aimed to reveal the effects of timed artificial insemination applied after the synchronization protocol known as day5 (D5) and the prostaglandin F2α (PGF2α) protocol applied in 11-day intervals (D11) on pregnancy ... -
Genomewide association of male reproductive traits in Aksaray Malakli dogs
İnanç, Muhammed Enes; Tekin, Koray; Akkurt, Mustafa Yenal; Olgaç, Kemal Tuna; Yılmaz, Burak; Çil, Beste; Kızılaslan, Mehmet; Taşdemir, Umut; Tuncer, Purhan Barbaros; Büyükleblebici, Serhat; Uysal, Ongun; Çınar Kul, Bengi (Wiley, 2018)Male reproductive parameters are often used for the functional examination and evaluation of predicted genetic values for future aspects. However, these traits are relatively reliable until the measurable effects are ... -
Investigation of changes in spermatozoon characteristics, chromatin structure, and antioxidant/oxidant parameters after freeze-thawing of hesperidin (Vitamin P) doses added to ram semen
Yeni, Deniz; Güngor, Şükrü; Avdatek, Fatih; Gülhan, Mehmet Fuat; Olgaç, Kemal Tuna; İnanç, Muhammed Enes; Denk, Barış; Taşdemir, Umut (MDPI, 2022)We conducted this study to determine the potential cryopreservative effects of different hesperidin (vitamin P; H) doses on ram semen after freeze-thawing. Semen samples were obtained from Sonmez rams using an artificial ... -
Investigation of the effects of syringic acid supplemented to Tris semen diluent on ram semen freezability
Avdatek, Fatih; İnanç, Muhammed Enes; Gülhan, Mehmet Fuat; Güngör, Şükrü; Yeni, Deniz; Olğaç, Kemal Tuna; Denk, Barış; Taşdemir, Umut (John Wiley and Sons Inc, 2023)To the best of our knowledge, no research has been conducted to test the effects of syringic acid (SA) on ram semen freezing within the scope of natural antioxidants added to semen extenders. Therefore, this study had two ...
