Publications

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2023
Shahat, A., J. Castillo, J. Thundathil, and J. Kastelic, "Angus bulls voluntarily access shade during hot weather, reducing scrotal subcutaneous temperatures and improving sperm quality", Canadian Journal of Veterinary Research, vol. 87, issue 1, pp. 17-22, 2023.
Shahat, A. M., J. C. Thundathil, and J. P. Kastelic, "Melatonin improves post‐thaw sperm quality after mild testicular heat stress in rams", Reproduction in Domestic Animals, vol. 58, issue 3, pp. 423-430, 2023.
Tiwari, S., A. Shahat, J. Kastelic, N. Thakor, and J. Thundathil, "Optimized total RNA isolation from bovine sperm with enhanced sperm head lysis", Biochemistry and Cell Biology, vol. 102, issue 2, pp. 194-205, 2023.
2022
Shahat, A. M., J. Thundathil, and J. P. Kastelic, "Melatonin improves testicular hemodynamics and sperm quality in rams subjected to mild testicular heat stress", Theriogenology, vol. 188, pp. 163-169, 2022.
Shahat, A. M., J. C. Thundathil, and J. P. Kastelic, "Melatonin or L-arginine in semen extender mitigate reductions in quality of frozen-thawed sperm from heat-stressed rams", Animal Reproduction Science, vol. 238, pp. 106934, 2022.
2021
Shahat, A. M., J. C. Thundathil, and J. P. Kastelic, "Scrotal subcutaneous temperature is increased by scrotal insulation or whole-body heating, but not by scrotal neck insulation; however, all three heat-stress models decrease sperm quality in bulls and rams", Journal of Thermal Biology, vol. 100, issue 2021, pp. 103064, 2021.
application/pdf iconscrotal_subcutaneous_temperature_is_increased_by_scrotal_insulation_or.pdf
2020
Shahat, A. M., G. Rizzoto, and J. P. Kastelic, "Amelioration of heat stress-induced damage to testes and sperm quality", Theriogenology, vol. 158, pp. 84-96, 2020. amelioration_of_heat_stress-induced_damage_to_testes_and_sperm.pdf
Shahat, A. M., J. C. Thundathil, and J. P. Kastelic, "Data loggers in scrotal subcutaneous tissues reliably assess intrascrotal temperatures in rams", Small Ruminant Research, vol. 193, issue 2020, pp. 106247, 2020. data_loggers_in_scrotal_subcutaneous_tissues_reliably_assess_intrascrotal_temperatures_in_rams.pdf
2019
Ghallab, A. M., M. M. Abou-Ahmed, A. M. Fadl, D. A. El-Badry, A. M. Shahat, and A. R. Moawad, "OPTIMIZATION OF THE PROTOCOL FOR CRYOPRESERVATION OF ARABIAN STALLION SPERMATOZOA: EFFECTS OF CENTRIFUGATION, SEMEN EXTENDERS AND CRYOPROTECTANTS", Cryoletters, vol. 40, issue 2, pp. 129-138, 2019.
application/pdf iconoptimization_of_the_protocol_for_cryopreservation.pdf
2017
Ghallab, A. R. M., A. M. Shahat, A. M. FADL, M. M. Ayoub, and A. R. M, "Impact of supplementation of semen extender with antioxidants on the quality of chilled or cryopreserved Arabian stallion spermatozoa‏", Cryobiology, vol. 79, issue 2017, pp. 14-20, 2017. impact_of_supplementation_of_semen_extender_with_antioxidants_onthe_quality_of_chilled_or_cryopreserved_arabian_stallion_spermatozoa.pdf
application/pdf iconimpact_of_supplementation_of_semen_extender_with_antioxidants_onthe_quality_of_chilled_or_cryopreserved_arabian_stallion_spermatozoa.pdf