Seminal plasma influences oxidative status and post-thaw quality of bovine epididymal sperm.

Alternate Title: O plasma seminal influencia o estado oxidativo e a qualidade pós-descongelamento do esperma do epidídimo bovino.

Authors: Torralvo, Juan Diego¹, Restrepo, Giovanni² grestre0@unal.edu.co, Rojano, Benjamín Alberto³, Usuga, Alexandra^1,4

Source: Ciência Rural. 2025, Vol. 55 Issue 5, p1-10. 10p.

Subject Terms: *OXIDANT status, *LINEAR velocity, *REACTIVE oxygen species, *RADICAL cations, *MEMBRANE potential, *FROZEN semen

Metformin and rosiglitazone affect motility, lipid peroxidation and mitochondrial activity of thawed equine spermatozoa

Authors: Usuga, Alexandra ^{a, b, ⁎}, Vergara, Ana Karina ^b, Tobón, María Camila ^b, Vargas, Santiago ^b, Rojano, Benjamín ^c, Restrepo, Giovanni ^d

Source: In Journal of Equine Veterinary Science June 2025 149

Relationship of Breed and Seminal Quality With Protamination and DNA Integrity of Bovine Spermatozoa.

Authors: Restrepo, Juan Camilo, Giraldo, Alfredo, Zapata, Kelly, Rojas, Mauricio, Restrepo, Giovanni, Usuga, Alexandra

Source: Reproduction in Domestic Animals; Apr2025, Vol. 60 Issue 4, p1-10, 10p

Subject Terms: PROTAMINES, SPERM motility, CATTLE breeds, SPERMATOZOA, FLOW cytometry, DEVELOPMENTAL stability (Genetics), FERTILITY

Dietary antioxidant supplementation improves the in vitro quality and antioxidant capacity of Colombian Creole stallion semen.

Authors: PUERTA, MARIA CLAUDIA, HENAO-SALAZAR, LAURA, VÉLEZ, ISABEL CATALINA, LEÓN, SERGIO, ROJANO, BENJAMÍN, RESTREPO, GIOVANNI, ÚSUGA, ALEXANDRA

Source: Czech Journal of Animal Science; 2024, Vol. 69 Issue 11, p450-461, 12p

Subject Terms: OXIDANT status, REPEATED measures design, DIETARY supplements, REACTIVE oxygen species, MALE infertility, SEMEN analysis

Quality and redox state of bovine sperm cryopreserved with resveratrol use of resveratrol in bovine semen.

Authors: Correa, Felipe, Ceballos, Esteban, Rojano, Benjamín, Restrepo, Giovanni, Usuga, Alexandra

Source: Reproduction in Domestic Animals; Jan2024, Vol. 59 Issue 1, p1-8, 8p

Subject Terms: FROZEN semen, RESVERATROL, SEMEN, SPERMATOZOA, SEMEN analysis, OXIDANT status

Low‐density lipoproteins, resveratrol and quercetin as alternative additives to improve boar semen cooling.

Authors: González, Darío, Rojas, Mauricio, Rojano, Benjamín, Restrepo, Giovanni

Source: Reproduction in Domestic Animals; Oct2023, Vol. 58 Issue 10, p1420-1427, 8p

Subject Terms: FROZEN semen, LOW density lipoproteins, RESVERATROL, SEMEN, BOARS, QUERCETIN, MITOCHONDRIAL membranes

Cooling of porcine semen in an extender supplemented with carvacrol.

Authors: Restrepo, Giovanni¹ (AUTHOR) grestre0@unal.edu.co, Zapata, Kelly² (AUTHOR), Colorado, Paola¹ (AUTHOR), Rojano, Benjamín² (AUTHOR)

Source: Reproduction in Domestic Animals. Jun2023, Vol. 58 Issue 6, p860-866. 7p.

Subject Terms: *CARVACROL, *SEMEN analysis, *OXIDANT status, *CELL permeability, *SPERM motility, *REACTIVE oxygen species, *SEMEN, *MEMBRANE potential

Freezing of Bovine Semen In A Extender With Sodium Caseinate

Authors: Usuga, Alexandra, Pérez, Jackeline, Restrepo, Giovanni

Source: In Cryobiology December 2021 103

Dry food affects the oxidative/antioxidant profile of dogs.

Authors: Usuga, Alexandra, Rojano, Benjamín Alberto, Duque, Juan Camilo, Mesa, Carolina, Restrepo, Oliver, Gomez, Luis Miguel, Restrepo, Giovanni

Source: Veterinary Medicine & Science; Mar2023, Vol. 9 Issue 2, p687-697, 11p

Subject Terms: FOOD dehydration, BEAGLE (Dog breed), OXIDANT status, DOG food, REACTIVE oxygen species, BLOOD plasma

Effect of supplementation of freezing media with isoespintanol on functional integrity of equine semen.

Authors: Restrepo, Giovanni¹ (AUTHOR) grestre0@unal.edu.co, Usuga, Alexandra² (AUTHOR), Montoya, Juan David³ (AUTHOR), Rojas, Mauricio⁴ (AUTHOR), Rojano, Benjamín⁵ (AUTHOR)

Source: Annals of Animal Science. Jul2022, Vol. 22 Issue 3, p953-960. 8p.

Subject Terms: *SEMEN, *FROZEN semen, *FREE radical scavengers, *STALLIONS, *TUKEY'S test, *FREEZING, *MITOCHONDRIAL membranes

Evaluation of the effect of conventional and natural antifungals on motility and kinetics of cooled stallion semen.

Authors: Usuga, Alexandra, Gutiérrez, Víctor, López, María Elisa, Pérez, Luisa Fernanda, Jaramillo, Lorena, Rojano, Benjamín, Restrepo, Giovanni

Source: Reproduction in Domestic Animals; Jul2022, Vol. 57 Issue 7, p701-710, 10p

Subject Terms: STALLIONS, ANTIFUNGAL agents, SEMEN, THYMOL, SPERM motility, CLOTRIMAZOLE, SEMEN analysis

Asociación entre parámetros convencionales y computarizados de calidad seminal con la evaluación por citometría de flujo de semen bovino congelado. (Spanish)

Alternate Title: Association between conventional and computerized sperm quality parameters with flow cytometric evaluation of frozen bovine semen. (English)

Authors: Varela, Elizabeth, Rojas, Mauricio, Restrepo, Giovanni

Source: Revista de Investigaciones Veterinarias del Peru; Oct-Dec2020, Vol. 31 Issue 4, p1-13, 13p

Flow cytometric analysis of stallion semen frozen with isoespintanol

Authors: Restrepo, Giovanni, Usuga, Alexandra, Montoya, Juan, Rojas, Mauricio, Rojano, Benjamín

Source: In Cryobiology December 2020 97:300-300

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Membrane stability and mitochondrial activity of bovine sperm frozen with low‐density lipoproteins and trehalose.

Authors: Varela, Elizabeth, Rojas, Mauricio, Restrepo, Giovanni

Source: Reproduction in Domestic Animals; Feb2020, Vol. 55 Issue 2, p146-153, 8p

Subject Terms: LOW density lipoproteins, MITOCHONDRIAL membranes, SPERMATOZOA, FROZEN semen, EGG yolk, EGGS, MEMBRANE potential

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Relationship of cysteine‐rich secretory protein‐3 gene and protein with semen quality in stallions.

Authors: Restrepo, Giovanni¹, Rojano, Benjamín², Usuga, Alexandra³ ausuga@ces.edu.co

Source: Reproduction in Domestic Animals. Jan2019, Vol. 54 Issue 1, p39-45. 7p.

Subject Terms: *STALLIONS, *CYSTEINE, *SEMEN analysis, *CRISPRS, *ENZYME-linked immunosorbent assay

Freezing, Vitrification, and Freeze-Drying of Equine Spermatozoa: Impact on Mitochondrial Membrane Potential, Lipid Peroxidation, and DNA Integrity.

Authors: Restrepo, Giovanni¹ grestre0@unal.edu.co, Varela, Elizabeth², Duque, Juan Esteban², Gómez, Jorge Enrique², Rojas, Mauricio³

Source: Journal of Equine Veterinary Science. Jan2019, Vol. 72, p8-15. 8p.

Efecto de los alimentos concentrados sobre el perfil oxidativo/antioxidante del plasma sanguíneo canino. (Spanish)

Alternate Title: Effect of dry foods on the oxidative/antioxidant profile of canine blood plasma. (English)

Authors: Úsuga, Alexandra, Duque, Juan C., Mesa, Carolina, Restrepo, Oliver, Gómez, Luis M., Rojano, Benjamín A., Restrepo, Giovanni

Source: Revista Colombiana de Ciencias Pecuarias; 2024 Supplement, Vol. 37, p81-81, 1/2p

Efecto del resveratrol sobre la calidad y el estado oxidativo / antioxidante del semen bovino criopreservado. (Spanish)

Alternate Title: Effect of resveratrol on quality and oxidative / antioxidant state of cryopreserved bovine sperm. (English)

Authors: Correa Monsalve, Felipe, Rojano, Benjamín, Restrepo, Giovanni, Úsuga, Alexandra

Source: Revista Colombiana de Ciencias Pecuarias; 2024 Supplement, Vol. 37, p41-41, 1/2p