Research Topics
| C C LoveSummaryAffiliation: Texas A and M University Country: USA Publications
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Detail Information
Publications
Effect of daily semen centrifugation and resuspension on the longevity of equine sperm quality following cooled storageC C Love
Department of Large Animal Clinical Sciences, College of Veterinary Medicine, Biomedical Sciences, Texas A and M University, College Station, Texas 77843 4475, USA
Theriogenology 77:1911-7. 2012..05) to Groups SP10NC and SP10C after 96 h of storage. Daily centrifugation and resuspension of cool-stored equine semen in fresh extender may be a method to increase sperm longevity...- Relationship between sperm motility, morphology and the fertility of stallionsC C Love
Department of Large Animal Clinical Sciences, College of Veterinary Medicine and Biomedical Sciences, Texas A and M University, College Station, Texas, USA
Theriogenology 76:547-57. 2011..37, P < 0.05; PC, r = 0.59, P < 0.05; and FCP, r = 0.64, P < 0.05), and percent morphologically normal sperm (PC, r = 0.42, P < 0.05; and FCP, r = 0.39, P < 0.05)... 
Relationship between stallion sperm motility and viability as detected by two fluorescence staining techniques using flow cytometryC C Love
Department of Physiology and Pharmacology, Texas A and M University, College of Veterinary Medicine, College Station, TX 77843 4475, USA
Theriogenology 60:1127-38. 2003..0001) affected percent total sperm motility and percent viable sperm for both staining protocols. Actual percent viable sperm for each time and treatment did not differ from expected values...- Comparison of methods for assessing integrity of equine sperm membranesM L Foster
Department of Large Animal Clinical Sciences, Texas A and M University, College Station, TX, USA
Theriogenology 76:334-41. 2011.... - Production of horse foals via direct injection of roscovitine-treated donor cells and activation by injection of sperm extractK Hinrichs
Department of Veterinary Physiology and Pharmacology, College of Veterinary Medicine and Biomedical Sciences, Texas A and M University, College Station, 77843 4466, USA
Reproduction 131:1063-72. 2006.... - Blastocyst formation rates in vivo and in vitro of in vitro-matured equine oocytes fertilized by intracytoplasmic sperm injectionY H Choi
Department of Veterinary Physiology, College of Veterinary Medicine, Texas A and M University, College Station, Texas 77843, USA
Biol Reprod 70:1231-8. 2004..While we identified an in vitro culture system that provided repeatable blastocyst development without coculture, this yielded only half the rate of development achieved in vivo... - Equine blastocyst development after intracytoplasmic injection of sperm subjected to two freeze-thaw cyclesY H Choi
Department of Veterinary Physiology and Pharmacology, Texas A and M University, College Station, TX 77843-4466, USA
Theriogenology 65:808-19. 2006..Non-motile spermatozoa from reprocessed semen may also achieve embryo development after ICSI. To our knowledge, this is the first report evaluating the ability of refrozen spermatozoa to produce embryos by ICSI in any species... - Activation of cumulus-free equine oocytes: effect of maturation medium, calcium ionophore concentration and duration of cycloheximide exposureY H Choi
Department of Veterinary Physiology and Pharmacology, College of Veterinary Medicine, Texas A and M University, College Station, TX 77843-4466, USA
Reproduction 122:177-83. 2001..The highest rate of activation (82%) was observed in oocytes matured in TCM-199, treated with 50 micromol calcium ionophore l(-1) and cultured with cycloheximide for 24 h... - Cholesterol-to-phospholipid ratio in whole sperm and seminal plasma from fertile stallions and stallions with unexplained subfertilityS P Brinsko
Department of Large Animal Clinical Sciences, College of Veterinary Medicine, Texas A and M University, College Station, TX 77843, United States
Anim Reprod Sci 99:65-71. 2007..However, the molar ratio of cholesterol-to-phospholipid was 2.5 times greater in the seminal plasma (P = 0.09) and 1.9 times greater (P = 0.009) in whole sperm of subfertile stallions compared to fertile stallions... - Pregnancy rates in mares inseminated with 0.5 or 1 million sperm using hysteroscopic or transrectally guided deep-horn insemination techniquesS S Hayden
Department of Large Animal Clinical Sciences, College of Veterinary Medicine and Biomedical Sciences, Texas A and M University, College Station, Texas, USA
Theriogenology 78:914-20. 2012..Combined pregnancy rates for the two treatments were 13/28 (46%) for HYS and 15/28 (54%) for TRG (P > 0.10). Pregnancy rates using a subthreshold number of sperm were not significantly affected by a deep-horn insemination technique... - Agreement between measures of total motility and membrane integrity in stallion spermM L Foster
Department of Large Animal Clinical Sciences, Texas A and M University, College Station, TX, USA
Theriogenology 75:1499-505. 2011..8 and 15.1%, respectively) and 48 h (23.0 and 23.8%, respectively) of cooled storage as motility declined more rapidly than SMI. We concluded that TMOT and SMI measured separate aspects of sperm quality... - Ejaculate and type of freezing extender affect rates of fertilization of horse oocytes in vitroL M Roasa
Department of Physiology and Pharmacology, College of Veterinary Medicine and Biomedical Sciences, Texas A and M University, College Station, TX 77843, USA
Theriogenology 68:560-6. 2007..These factors may help to explain the great variability in fertilization rates reported with equine IVF, both among and within laboratories... - Effect of cryopreservation protocol on postthaw characteristics of stallion spermJ L Salazar
Department of Large Animal Clinical Sciences, College of Veterinary Medicine and Biomedical Sciences, Texas A and M University, College Station, Texas, USA
Theriogenology 76:409-18. 2011..05). In conclusion, a slow prefreeze cooling rate was superior to a fast prefreeze cooling rate, regardless of freezing extender used, and INRA 96 served as a satisfactory postthaw diluent prior to semen analysis... - Advances in cooled semen technologies: seminal plasma and semen extenderS L Rigby
Department of Large Animal Medicine and Surgery, College of Veterinary Medicine, Texas A and M University, College Station, TX 77843-4475, USA
Anim Reprod Sci 68:171-80. 2001.... - Relationship of seminal plasma level and extender type to sperm motility and DNA integrityC C Love
Department of Physiology and Pharmacology, Texas A and M University College of Veterinary Medicine, Collage Station, TX 77843 4475, USA
Theriogenology 63:1584-91. 2005..Overall, better quality sperm features (motility and DNA) were maintained in sperm from which seminal plasma was removed followed by resuspension in either Kenney extender or modified Kenney Tyrodes-type extender... - Chromatin configuration within the germinal vesicle of horse oocytes: changes post mortem and relationship to meiotic and developmental competenceK Hinrichs
Department of Veterinary, College of Veterinary Medicine, Texas A and M University, Texas 77843 4466, USA
Biol Reprod 72:1142-50. 2005..Time of oocyte recovery and duration of maturation significantly affect the rate of blastocyst development. Oocytes with Cp and Ex cumuli have similar developmental competence to the blastocyst stage... - Effects of dead spermatozoa on motion characteristics and membrane integrity of live spermatozoa in fresh and cooled-stored equine semenS P Brinsko
Department of Large Animal Medicine and Surgery, College of Veterinary Medicine, Texas A and M University, College Station, TX 77843-4475, USA
Theriogenology 59:735-42. 2003..8; P<0.001) with MOT and PMOT in both fresh and cooled-stored semen samples. Results of this study have application to the processing of both cooled and frozen equine semen... - In vitro fertilization of in vitro-matured equine oocytes: effect of maturation medium, duration of maturation, and sperm calcium ionophore treatment, and comparison with rates of fertilization in vivo after oviductal transferK Hinrichs
Department of Veterinary Physiology and Pharmacology, College of Veterinary Medicine, Texas A and M University, College Station, TX 77843 4466, USA
Biol Reprod 67:256-62. 2002..Further work is needed to determine the optimum environment for sperm capacitation and IVF in the horse... - Effect of surgical technique for unilateral orchiectomy on subsequent testicular function in Miniature Horse stallionsJ D McCormick
Department of Large Animal Clinical Sciences, College of Veterinary Medicine and Biomedical Sciences, Texas A and M University, Texas, USA
Equine Vet J Suppl 44:100-4. 2012..The effects of 2 surgical methods (first intention [FI] vs. second intention [SI] incision healing) for unilateral orchiectomy on resulting semen quality and scrotal temperature were evaluated... - Factors impacting equine sperm recovery rate and quality following cushioned centrifugationJ A Waite
Department of Large Animal Clinical Sciences, College of Veterinary Medicine and Biomedical Sciences, Texas A and M University, College Station, TX 77843 4475, USA
Theriogenology 70:704-14. 2008..An optically opaque extender, commonly used in the equine breeding industry, can be used to achieve this goal... - Influence of day of postpartum breeding on pregnancy rate, pregnancy loss rate, and foaling rate in Thoroughbred maresT L Blanchard
Department of Large Animal Clinical Sciences, College of Veterinary Medicine and Biomedical Sciences, Texas A and M University, College Station, Texas, USA
Theriogenology 77:1290-6. 2012.... - Effect of centrifugal fractionation protocols on quality and recovery rate of equine spermA J Edmond
Department of Large Animal Clinical Sciences, College of Veterinary Medicine and Biomedical Sciences, Texas A and M University, College Station, Texas, USA
Theriogenology 77:959-66. 2012..Sperm recovery rate was not affected (P > 0.05) by column height of gradient. Increasing sperm number subjected to gradient centrifugation decreased (P < 0.05) sperm recovery rate when 15-ml tubes were used... - Production of nuclear transfer horse embryos by Piezo-driven injection of somatic cell nuclei and activation with stallion sperm cytosolic extractY H Choi
Department of Veterinary Physiology and Pharmacology, College of Veterinary Medicine, Texas A and M University, College Station, TX 77843, USA
Biol Reprod 67:561-7. 2002..that direct nuclear injection using the Piezo drill is an efficient method for nuclear transfer in horse and cattle oocytes and that sperm extract can efficiently activate horse oocytes both parthenogenetically and after nuclear transfer.. - The impact of cushioned centrifugation protocols on semen quality of stallionsS B Bliss
Department of Large Animal Clinical Sciences, College of Veterinary Medicine and Biomedical Sciences, Texas A and M University, College Station, Texas, USA
Theriogenology 77:1232-9. 2012..Additionally, storage of centrifuged sperm at a concentration of 250 × 10(6)/mL with 20% seminal plasma (v/v) did not have a detrimental effect on percentages of motile or progressively motile sperm, or sperm DNA quality... - Production of live foals via intracytoplasmic injection of lyophilized sperm and sperm extract in the horseY H Choi
Department of Veterinary Physiology and Pharmacology, College of Veterinary Medicine and Biomedical Sciences, Texas A and M University, College Station, Texas 77843 4466, USA
Reproduction 142:529-38. 2011..To the best of our knowledge, this is the first report on production of live offspring by fertilization with lyophilized sperm in a non-laboratory animal species... - The addition of ticarcillin-clavulanic acid to INRA 96 extender for stallion semen coolingC J Dean
Department of Animal and Food Sciences, College of Agricultural Sciences and Natural Resources, Texas Tech University, Texas, USA
Equine Vet J Suppl 44:95-9. 2012..Therefore, addition of ticarcillin-clavulanic acid to this extender is a widespread procedure in the equine breeding industry in the United States. However, such practice has not been critically evaluated... - Thermoregulation of the testicle in response to exercise and subsequent effects on semen characteristics of stallionsJ D Mawyer
Department of Animal Science, Texas A and M University, College Station, TX 77843, USA
J Anim Sci 90:2532-9. 2012..0001). Although moderate exercise for a short duration in extreme heat and humidity did significantly increase core body temperatures in stallions, scrotal temperatures did not significantly increase, and sperm parameters were unaffected... - Cholesterol to phospholipid ratio in sperm of stallions with unexplained subfertilityS P Brinsko
Department of Large Animal Clinical Sciences, College of Veterinary Medicine, Texas A and M University, College Station, TX 77843, USA
Anim Reprod Sci 89:217-9. 2005 - Effect of holding at room temperature on initial chromatin configuration and in vitro maturation rate of equine oocytesC C Love
Department of Physiology and Pharmacology, College of Veterinary Medicine, Texas A and M University, College Station 77843, USA
Theriogenology 57:1973-9. 2002..018)... - Prepackaging of equine semen in goblets prior to cryopreservationC C Love
Department of Large Animal Clinical Sciences, College of Veterinary Medicine and Biomedical Sciences, Texas A and M University, College Station, TX 77843-4475, USA
Anim Reprod Sci 89:248-50. 2005 - Effect of surgical technique for unilateral orchiectomy on subsequent testicular function in Miniature Horse stallionsJ D McCormick
Department of Large Animal Clinical Sciences, College of Veterinary Medicine and Biomedical Sciences, Texas A and M University, Texas, USA
Equine Vet J 44:100-4. 2012..The effects of 2 surgical methods (first intention [FI] vs. second intention [SI] incision healing) for unilateral orchiectomy on resulting semen quality and scrotal temperature were evaluated... - Developmental competence in vivo and in vitro of in vitro-matured equine oocytes fertilized by intracytoplasmic sperm injection with fresh or frozen-thawed spermatozoaY H Choi
Departments of Veterinary Physiology and Pharmacology, College of Veterinary Medicine, Texas A and M University, College Station, TX 77843-4466, USA
Reproduction 123:455-65. 2002..2 medium results in a similar cleavage rate but reduced number of cells compared with in vivo culture within the oviduct. Bovine oocytes may be useful as models for assessing sperm function in horses... - The addition of ticarcillin-clavulanic acid to INRA 96 extender for stallion semen coolingC J Dean
Department of Animal and Food Sciences, College of Agricultural Sciences and Natural Resources, Texas Tech University, Texas, USA
Equine Vet J 44:95-9. 2012..Therefore, addition of ticarcillin-clavulanic acid to this extender is a widespread procedure in the equine breeding industry in the United States. However, such practice has not been critically evaluated...