Abstracts

  1. Rykaczewski, N. B. Bello, J. D. Kieffer, A. Z. Chang, M. Trotter, A. Garcia-Guerra. 2023. “Evaluation of on-animal sensors for monitoring diurnal physical activity of beef bulls during the breeding season” Journal of Animal Sciences 101 (Suppl. 3): 545-546. DOI: 10.1093/jas/skad281.641.
  2. P. Folchini, B. J. Duran, C. Rykaczewski, A. E. Crist, M. Saad, A. C. Carranza-Martin, J. C. L. Motta, D. F. Mollenkopf, M. L. Mussard, A. Garcia-Guerra. “Induction of endometritis after pregnancy loss during the second month of gestation in cattle and its effect on the fate of the corpus luteum” Proceedings of the 56th Annual Meeting of the Society for the Study of Reproduction 2023, July 11th – 14th, Ottawa, Canada, Page 386.
  3. F. Incarnato, A. E. Crist, J. C. L. Motta, C. B. Hayden, A. Garcia-Guerra. “Assessment of circulating anti-Müllerian hormone during pregnancy in beef cattle” Proceedings of the 56th Annual Meeting of the Society for the Study of Reproduction, July 11th – 14th, 2023, Ottawa, Canada, Page 380.
  4. C. L. Motta, R. V. Sala, C. Hayden, D. C. Pereira, P. J. Ross, J.F. Moreno, A. Garcia-Guerra. 2023. “Ovarian stimulation with FSH increases in vitro embryo production in high AMH heifers in a dose-dependent manner”. Animal – science proceedings 14(3): 492. DOI: 10.1016/j.anscip.2023.03.099.
  5. A. Carranza-Martin, C. Furnus, A. García-Guerra, A. Relling. 2023. “Effects of polyunsaturated fatty acids supplementation in resolvin D1 concentration in plasma and follicular fluid in ewes”. Journal of Animal Sciences 101(Suppl. 2): 332-333. DOI: 10.1093/jas/skad341.378.
  6. C. B. Hayden, J. Motta, N. Bello, R. Sala, V. Absalon-Medina, P. Ross, J. Moreno, A. Garcia-Guerra. 2023. “Assessment of methods to synchronise follicle wave emergence in pregnant heifers”. Reproduction Fertility and Development 35(2):204-205. DOI: 10.1071/RDv35n2Ab153.
  7. C. Rykaczewski, J.D. Kieffer, N.M. Bello, M. Trotter, A. Garcia-Guerra, 2022. “Retention and recovery of different on-animal sensors for monitoring behavior of beef bulls during breeding”. Proceedings of the 55th Annual Convention of the American Association of Bovine Practitioners, September 22-24, Long Beach, CA, Page XX.
  8. B. J. Duran, A. E. Crist, J. C. L. Motta, C. Rykaczewski, C. Hayden, M. Saad, A. Carranza-Martin, M. L. Mussard, A. García-Guerra. 2022. “Role of prostaglandin F2α in corpus luteum regression after conceptus demise in cattle”. Abstract P121. Proceedings of the 55th Annual Meeting of the Society for the Study of Reproduction 2022, July 26-29, Spokane, WA.
  9. B. D. Davidson, A. D. Beard, A. Garcia-Guerra, G. E. Dahl, M. C. Wiltbank, J. Laporta. 2022. “Prenatal hyperthermia affects ovarian morphology and anti-Mullerian hormone concentrations of pre-weaned heifers”. Journal of Dairy Science 2022, Vol 105, Suppl 1, Page 112.
  10. A. E. Crist, J.C.L. Motta, C. Hayden, C. Rykaczewski, M. Mussard, C.R. Looney, A. Garcia-Guerra. “Presynchronization using an intravaginal progesterone device improves fertility in suckled beef cows submitted to fixed time artificial insemination” Proceedings of the 19th International Congress of Animal Reproduction 2022, June 27th – 30th, Bologna, Italy, Page 36.
  11. E. Rojas Canadas, B. Duran, C. Hayden, C. Rykaczewski, A. Garcia-Guerra. “Effect of PG600 dose on estrous expression, corpus luteum function and pregnancy in beef cows submitted to fixed time artificial insemination” Proceedings of the 19th International Congress of Animal Reproduction 2022, June 27th – 30th, Bologna, Italy, Page 46.
  12. J. C. L. Motta, E. Rojas Canadas, R. V. Sala, B.J. Duran, C. Hayden, V.A. Absalon-Medina, J.F. Moreno, A. Garcia-Guerra. “Ovarian dynamics, estrous expression and fertility in heifers submitted to a 5- or 6-day CO-Synch for fixed time embryo transfer” Proceedings of the 19th International Congress of Animal Reproduction 2022, June 27th – 30th, Bologna, Italy, Page 54.
  13. J. C. L. Motta, C. Hayden, R. V. Sala, V. A. Absalon-Medina, V. C. Fricke, D. C. Pereira, P. J. Ross, J.F. Moreno, A. Garcia-Guerra. “Effect of pattern of p-FSH treatment prior to ovum pick-up on ovarian response and in vitro embryo production in pregnant Holstein heifers” Proceedings of the 19th International Congress of Animal Reproduction 2022, June 27th – 30th, Bologna, Italy, Page 54.
  14. J. C. L. Motta, R. V. Sala, V. A. Absalón-Medina, E. R. Canadas, B. J. Duran, C. Hayden, J. F. Moreno, A. García-Guerra. 2022. “Anti-Müllerian hormone in Holstein heifers and reproductive performance after fixed-time embryo transfer”. Reproduction, Fertility and Development, 2022, Vol. 34 No. 2, Page 279-280.
  15. D. I. Saade-Rampolla, J. C. L. Motta, A. E. Crist, A. García-Guerra. 2022. “Blood sample type and storage conditions affect circulating anti-Müllerian hormone concentrations in cattle”. Reproduction, Fertility and Development, 2022, Vol. 34 No. 2, Page 324.
  16. R. Sala, V. Absalon-Medina, T. Reamsnyder, E. Maldonado, W. Smith, V. Fricke, J. Moreno, A. García-Guerra. 2022. “Reutilisation of intravaginal progesterone devices during fixed-time artificial insemination with sex-sorted semen in dairy heifers”. Reproduction, Fertility and Development, 2022, Vol. 34 No. 2, Page 299-300.
  17. S. R. Wellert, G. M. Zanatta, B. J. Duran, E. Rojas Cañadas, A. Nall, P. S. Baruselli, A. Garcia-Guerra. 2022. “Reproductive performance of beef cattle submitted to resynchronisation at 16 or 25 days after first service”. Reproduction, Fertility and Development, 2022, Vol. 34 No. 2, Page 298.
  18. A. García-Guerra, R. Sala, L. Carrenho-Sala, F. Valencia, M. Fosado, J. Moreno. 2022. “Relationship between anogenital distance and reproductive efficiency of embryo recipient dairy heifers”. Reproduction, Fertility and Development, 2022, Vol. 34 No. 2, Page 276-277.
  19. K. S. Stoecklein, N. J. Drum, A. García-Guerra, B. J. Duran, J. G. N. Moraes, L. D. Spate, R. S. Prather, M. S. Ortega. 2022. “Cytokine supplementation to improve developmental competence of bovine embryos following slow-rate freezing”. Reproduction, Fertility and Development, 2022, Vol. 34 No. 2, Page 276.
  20. B. J. Duran, F. L. V. Pinaffi, J. C. L. Motta, C. Hayden, A. E. Crist, C. Rykaczewski, S. Wellert, E. Rojas-Canadas, M. L. Mussard, A. García-Guerra. 2021. “Corpus luteum regression after induced pregnancy loss in cattle is preceded by a reduction in uterine artery vascular perfusion”. Abstract P136. Proceedings of the 54th Annual Meeting of the Society for the Study of Reproduction 2021, December 13-18, St Louis, MO.
  21. A. García-Guerra, L. Cooper, B. W. Kirkpatrick, M. C. Wiltbank. 2021. “Circulating AMH, antral follicle count, and ovulation rate after unilateral ovariectomy in cattle: influence of the bovine fecundity allele Trio”. Abstract P150. Proceedings of the 54th Annual Meeting of the Society for the Study of Reproduction 2021, December 13-18, St Louis, MO.
  22. N. N. Noga, J. G. Powell, B. P. Littlejohn, W. L. Rook, M. Mussard, A. Garcia-Guerra, R. N. Cauble, C. R. Looney. 2021. “Comparison of 6-day versus 7-day CIDR protocol with GnRH and PGFα to synchronize crossbred beef cows for fixed-timed ai with sexed semen at two different times”. Journal of Animal Science, Volume 99, Supp 3, November 2021, Pages 281–282.
  23. K. Nickles, A. E. Relling, A. Garcia-Guerra, F. L. Fluharty, A. J. Parker. 2021. “Beef Heifers Housed in Muddy Environmental Conditions Lose Body Weight and Body Condition but Meet Gestational Requirements for Fetal Growth”. Journal of Animal Science, Volume 99, Supp 3, November 2021, Page 46.
  24. A. E. Crist, J. C. L. Motta, C. Hayden, B. Duran, M. Mussard, A. Garcia-Guerra. 2021. “Ovarian dynamics and fertility in beef cows administered a 5-day or 6-day CO-Synch protocol for timed artificial insemination”. Journal of Animal Science, Volume 99, Supp 3, November 2021, Page 423.
  25. J. C. L. Motta, R. V. Sala, V. A. Absalón-Medina, V. C. Fricke, M. Dominguez, D. C. Pereira, C. Hayden, E. R. Canadas, B. J. Duran, J. F. Moreno, A. García-Guerra. 2021. “Influence of length of porcine follicle-stimulating hormone (p-FSH) treatment before ovum pickup on ovarian response and in vitro embryo production in Holstein heifers”. Reproduction, Fertility and Development, 2021, Vol. 33 No. 2, Page 170-171.
  26. E. R. Canadas, B. Duran, G. Machado, A. Nall, S. E. Battista, M. Mussard, P. S. Baruselli, A. García-Guerra. 2021. “Presynchronization and reutilization of progesterone devices during a 6-day CO-Synch protocol for fixed-time artificial insemination in beef heifers”. Reproduction, Fertility and Development, 2021, Vol. 33 No. 2, Page 165-166.
  27. C. Brochado, B. J. Duran, J. C. L. Motta, J. D. Kieffer, A. Pinczak, A. Menchaca, A. García-Guerra. 2021. “Simplification of the follicle-stimulating hormone protocol for superovulation of the first follicular wave in sheep”. Reproduction, Fertility and Development, 2021, Vol. 33 No. 2, Page 182.
  28. B. J. Duran, J. C. Lemos-Motta, E. Rojas-Canadas, C. Hayden, C. Rykaczewski, A. Nall, M. L. Mussard, A. García-Guerra. 2021. “Timing of luteolysis and conceptus expulsion after induced pregnancy loss at three different timepoints after maternal recognition of pregnancy in cattle”. Reproduction, Fertility and Development, 2021, Vol. 33 No. 2, Page 131.
  29. C. Hayden, R. V. Sala, D. C. Pereira, L. C. Carrenho-Sala, M. Fosado, D. Moreno, J. F. Moreno, A. García-Guerra. 2021. “Effect of follicle-stimulating hormone dose and circulating progesterone before ovum pickup and in vitro embryo production in pregnant Holstein heifers”. Reproduction, Fertility and Development, 2021, Vol. 33 No. 2, Page 143.
  30. Nickles, A. E. Relling, A. Garcia-Guerra, F. L. Fluharty, A. J. Parker. 2020. “Cows housed in muddy environmental conditions during late gestation have lesser body weight and body condition score compared with cows housed on wood chips”. Journal of Animal Science, Volume 98, Supp 4, November 2020, Page 48.
  31. T. Menichetti, J. M. Piñeiro, A. Garcia-Guerra, A. E. Relling, W. P. Weiss, G. M. Schuenemann. 2020. “Consistency of lying time is associated with reduced serum nonesterified fatty acids of prepartum dairy heifers and cows”. Journal of Dairy Science 2020, Vol 103, Suppl 1, Page 174.
  32. T. Menichetti, A. Garcia-Guerra, J. Lakritz, W. P. Weiss, J. S. Velez, D. Merchan, G. M. Schuenemann. 2020. “Effect of timing of prepartum vaccination relative to pen change of dairy cows on lying time and serum glucose, nonesterified fatty acids, and calcium at calving”. Journal of Dairy Science 2020, Vol 103, Suppl 1, Page 175.
  33. Rojas Canadas, S. E. Battista, J. Kieffer, S. Wellert, A. García-Guerra. 2020. “Increasing gonadotrophin-releasing hormone dose at initiation of a 5-day CO-Synch protocol increases ovulatory response but not fertility in yearling beef heifers”. Reproduction, Fertility and Development, 2019, Vol. 32 No. 2 Page 206-207.
  34. Carrenho-Sala, M. Fosado, R. Sala, E. Peralta, D. Pereira, D. Moreno, J. Moreno, A. García-Guerra. 2020. “Synchronization of follicle wave emergence prior to superstimulation with purified FSH for ovum pickup affects blastocyst rate in pregnant Holstein heifers”. Reproduction, Fertility and Development, 2019, Vol. 32 No. 2 Page 215-216.
  35. R. Wellert, S. E. Battista, J. Kieffer, R. N. Lurch, A. García-Guerra. 2020. “Comparison of different Doppler ultrasound settings for pregnancy diagnosis based on corpus luteum perfusion at 21 days after AI in beef cattle”. Reproduction, Fertility and Development, 2019, Vol. 32 No. 2 Page 211-211.
  36. Duran, R. V. Sala, P. L. J. Monteiro, C. Gamarra, M. Fosado, E. Walleser, A. Prata, R. Gennari, J. Moreno, M. Wiltbank, A. García-Guerra. 2020.“Treatment with gonadotrophin-releasing hormone on Day 7 or 21 does not reduce pregnancy loss in dairy heifers receiving in vitro-produced embryos”. Reproduction, Fertility and Development, 2019, Vol. 32 No. 2 Page 176-177.
  37. Sala, L. Carrenho-Sala, V. Absalon-Medina, A. Lopez, M. Fosado, J. Moreno, M. Wiltbank, A. García-Guerra. 2020. “Optimization of a five-day fixed-time embryo transfer program in dairy heifers: Use of gonadotrophin-releasing hormone at initiation of the protocol”. Reproduction, Fertility and Development, 2019, Vol. 32 No. 2 Page 179-179.
  38. Pereira, D. Moreno, R. Sala, L. Carrenho-Sala, M. Fosado, J. Moreno, A. García-Guerra. 2020. “SOFaaci-HEPES or holding media can be used for embryo loading without changes in pregnancies per embryo transfer nor pregnancy loss in an in vitro-produced embryo transfer program”. Reproduction, Fertility and Development, 2019, Vol. 32 No. 2 Page 178-178.
  39. Butler, H. Butler, E. Etcheverry, J. F. Pagani, R. Alberio, A. García-Guerra. 2020. “Treatment with gonadotrophin releasing hormone at the time of AI in beef heifers that fail to express oestrus after an estradiol-based synchronization protocol improves pregnancies per AI”. Reproduction, Fertility and Development, 2019, Vol. 32 No. 2 Page 208-208.
  40. Butler, H. Butler, E. Etcheverry, J. F. Pagani, R. Alberio, A. García-Guerra. 2019. “Momento de la IATF en un protocolo en base a progestágenos y estradiol en función de la manifestación de celo en vacas con cría” (Translation: Timing of insemination based on estrous expression durign an-estradiol and progesterone FTAI program in suckled beef cows). Proceedings of the XIII Simposio Internacional de Reproducción Animal (13th International Symposium of Animal Reproduction) 2019, August 28-30, Cordoba, Argentina.
  41. Butler, H. Butler, E. Etcheverry, J. F. Pagani, G. Cesaroni, R. Alberio, A. García-Guerra. 2019. “Efecto de la manifestación de celo y tratamiento con GnRH en vaquillonas de 24 meses tratadas con un protocolo convencional con ECP o J-Synch” (Translation: Effect of time of insemination and GnRH treatment in beef heifers submitted to an ECP or a J-Synch protocol). Proceedings of the XIII Simposio Internacional de Reproducción Animal (13th International Symposium of Animal Reproduction) 2019, August 28-30, Cordoba, Argentina.
  42. Butler, H. Butler, E. Etcheverry, J. F. Pagani, G. Cesaroni, S. Perez-Wallace, R. Alberio, A. García-Guerra. 2019. “Efecto de la resincronización al día 21-22 en vacas secas tratadas con 1 o 2 mg de benzoato de estradiol en los porcentajes de preñez y perdidas gestacionales” (Translation: Effect of resynchronization of nonlactatign beef cows at 21-22 days with 1 or 2 mg of EB on pregnancy rate and pregnancy loss). Proceedings of the XIII Simposio Internacional de Reproducción Animal (13th International Symposium of Animal Reproduction) 2019, August 28-30, Cordoba, Argentina.
  43. Butler, H. Butler, E. Etcheverry, J. F. Pagani, , R. Alberio, A. García-Guerra. 2019. “Momento de la IATF en vaquillonas tratadas con progestágeno, estradiol y eCG en función de la manifestación de celo” (Translation: Timing of insemination based on estrous expression durign an-estradiol, progesterone and eCG FTAI program in beef heifers). Proceedings of the XIII Simposio Internacional de Reproducción Animal (13th International Symposium of Animal Reproduction) 2019, August 28-30, Cordoba, Argentina.
  44. Butler, H. Butler, E. Etcheverry, J. F. Pagani, , R. Alberio, A. García-Guerra. 2019. “Retraso en el momento de la IATF en vaquillonas que no manifiestan celo, tratadas con progestágeno y estradiol” (Translation: Delay of insemination time in beef heifers that dod nto express estrous after an estradiol and progesterone FTAI program). Proceedings of the XIII Simposio Internacional de Reproducción Animal (13th International Symposium of Animal Reproduction) 2019, August 28-30, Cordoba, Argentina.
  45. V. Constantino, C. Premanandan, B. W. Kirkpatrick, M. C. Wiltbank, A. García-Guerra. 2019. “Preantral follicle numbers and size in heifers carrying the bovine high fecundity allele Trio”. Abstract P367. Proceedings of the 52nd Annual Meeting of the Society for the Study of Reproduction 2019, July 18-21, San Jose, CA.
  46. J. Duran, S. E. Battista, M. L. Mussard, A. García-Guerra. 2019. “Timing of luteolysis and conceptus expulsion after induced embryonic death during the second month of gestation in beef cows”. Abstract P116. Proceedings of the 52nd Annual Meeting of the Society for the Study of Reproduction 2019, July 18-21, San Jose, CA.
  47. E. Battista, S. R. Wellert, J. D. Kieffer, K.E. Brown, L. E. Moraes, A. García-Guerra. 2019. “Relationship between anogenital distance and fertility in beef cows submitted to timed artificial insemination”. Abstract P545. Proceedings of the 52nd Annual Meeting of the Society for the Study of Reproduction 2019, July 18-21, San Jose, CA.
  48. R. Wellert, S. E. Battista, K.E. Brown, J. D. Kieffer, A. García-Guerra. 2019. “Performance of color Doppler ultrasonography of the corpus luteum for pregnancy diagnosis in beef heifers with or without a controlled internal drug release at different days after fixed-time artificial insemination”. Reproduction, Fertility and Development, 2018, Vol. 31 No. 1 Page 130-130.
  49. C. Wiltbank, A. García-Guerra, R. V. Sala, M. Fosado, L. Carrenho-Sala, J. F. Moreno. 2019. “Improving efficiency of embryo transfer (ET) programs by optimizing fertility and management of recipients”. Journal of Animal Science, 2019, Vol. 97 No. Supp 2 Page 116-117.
  50. C. Wiltbank, M. Mezera, A. García-Guerra, G. M. Baez, J. N. Drum, R. Sartori. 2019. “Pivotal periods of pregnancy loss in cattle”. Journal of Dairy Science, 2019, Vol. 102 No. Supp 1 Page 162-162.
  51. V. Sala, L. Carrenho-Sala, M. Fosado, E. Peralta, D. C. Pereira, D. Moreno, J. F. Moreno, A. García-Guerra. 2019. “Use and dose of porcine follicle-stimulating hormone for ovarian superstimulation prior to ovum pickup and in vitro embryo production in pregnant Holstein heifers”. Reproduction, Fertility and Development, 2018, Vol. 31 No. 1 Page 192-192.
  52. García-Guerra, P. L. J. Monteiro, C. A. Gamarra, E. A. Walleser, A. Prata, M. A. Mezera, R. Gennari, R. V. Sala, J. F. Moreno, R. Sartori, M. C. Wiltbank. 2019. “Evaluation of indirect methods for pregnancy diagnosis at Day 21 in in vitro-produced embryo transfer recipient heifers”. Reproduction, Fertility and Development, 2018, Vol. 31 No. 1 Page 167-167.
  53.  García-Guerra, P. L. J. Monteiro, C. A. Gamarra, E. A. Walleser, W. Kirkpatrick, M. C. Wiltbank. 2018. “Multiple Dominant Follicles are Required for Complete Suppression of Circulating FSH in a High Fecundity Bovine Genotype as Demonstrated with a One-Follicle Model”. Abstract P129. Proceedings of the 51st Annual Meeting of the Society for the Study of Reproduction 2018, July 10-13, New Orleans, LA.
  54. W. Kirkpatrick, M. H. Kamalludin, A. García-Guerra, M. C. Wiltbank. 2018. “Proteomic Analysis of Follicular Fluid in Carriers and Non-carriers of the Trio Allele for High Ovulation Rate in Cattle”. Abstract P101. Proceedings of the 51st Annual Meeting of the Society for the Study of Reproduction 2018, July 10-13, New Orleans, LA.
  55. T. Menichetti, J.M. Piñeiro, A. A. Barragan, A. Relling, A. Garcia-Guerra, G.M. Schuenemann. 2018. “Effect of prepartum lying time on stillbirth in transition dairy heifers and cows”. Journal of Dairy Science 2018, Vol. 101, Supp 2, Page 220.
  56. W. Kirkpatrick, M. H. Kamalludin, A. García-Guerra, M. C. Wiltbank. 2017. “Transcriptome Analysis of Granulosa Cells from Carriers and Non-Carriers of a Major Gene for Bovine Ovulation Rate”. Abstract P415. Proceedings of the 50th Annual Meeting of the Society for the Study of Reproduction 2017, July 13-16, Washington DC.
  57. García-Guerra, P. L. J. Monteiro, B. W. Kirkpatrick, M. C. Wiltbank. 2017. “Diameter Deviation and Acquisition of Ovulatory Capacity at a Smaller Follicle Size in Trio Allele Carriers, a Novel High Fecundity Bovine Genotype”. Abstract P373. Proceedings of the 50th Annual Meeting of the Society for the Study of Reproduction 2017, July 13-16, Washington DC.
  58. García-Guerra, P. L. J. Monteiro, B. W. Kirkpatrick, M. C. Wiltbank. 2017. “Antral follicle count, and circulating anti-Müllerian hormone in Trio allele carriers, a novel high fecundity bovine genotype”. Abstract P372. Proceedings of the 50th Annual Meeting of the Society for the Study of Reproduction 2017, July 13-16, Washington DC.
  59. C. Wiltbank, A. García-Guerra, B. W. Kirkpatrick. 2017. “Follicular Waves and Hormonal Profiles during the Estrous Cycle of Carriers and Non-Carriers of the Trio Allele, a Major Bovine Gene for High Ovulation and Fecundity”. Abstract P368. Proceedings of the 50th Annual Meeting of the Society for the Study of Reproduction 2017, July 13-16, Washington DC.
  60. Mezera, A. García-Guerra, A. M. O. Canavessi, P. L. J. Monteiro, R. Sartori, B. W. Kirkpatrick, M. C. Wiltbank. 2017. “Trio, a Novel Bovine High Fecundity Allele: Acquisition of Dominance of Smaller Follicles”. Abstract P323. Proceedings of the 50th Annual Meeting of the Society for the Study of Reproduction 2017, July 13-16, Washington DC.
  61. García-Guerra, B. W. Kirkpatrick, M. C. Wiltbank. 2017. “Young scholar presentation: follicle dynamics and hormonal environment in a novel high fecundity genotype in cattle”. Journal of Animal Science. 2017; Vol. 95, Suppl 2, Page 18-19.
  62. V. Sala, A. García-Guerra, L. Carrenho-Sala, M. Fosado, E. Peralta, R. D. Tosta, L. C. C. Tosta, J. F. Moreno, P. S. Baruselli, M. C. Wiltbank. “Dose and frequency of administration of Prostaglandin F2α during FTET in an IVP program” Reproduction, Fertility and Development, 2017, Vol. 29 No. 1 Page 158-158.
  63. Carrenho-Sala, A. García-Guerra, R. V. Sala, M. Fosado, D. C. Pereira, A. Lopez, J. F. Moreno, M. C. Wiltbank. “Unilateral and bilateral transfer of 2 in vitro-produced embryos increases pregnancy loss between 30 and 60 days” Reproduction, Fertility and Development, 2017, Vol. 29 No. 1 Page 159-159.
  64. C. Ochoa, G. Baez, L. Melo, J. Mota, F. Peñagaricano, A. García Guerra, J. Pinheiro, R. Sartori, M. Wiltbank. “Gene expression in the corpus luteum following intrauterine pulses of low doses of prostaglandins E1 and F2alpha in cattle”. Animal Reproduction, 2016 Vol 13, n.3, Page 627.
  65. García Guerra, R. V. Sala, G. M. Baez, M. Fosado, L. F. Melo, J. C. L. Motta, L. Leffers, J. C. Ochoa, J. F. Moreno, M. C. Wiltbank. “Pregnancy loss in IVP-ET recipient heifers: embryo/fetal death or CL regression?” Proceedings of the 18th International Congress of Animal Reproduction 2016, June 26th – 30th, Tours, France.
  66. García Guerra, R. V. Sala, G. M. Baez, M. Fosado, L. F. Melo, J. C. L. Motta, L. Leffers, J. C. Ochoa, J. F. Moreno, M. C. Wiltbank. “Treatment with GnRH on day 5 reduces pregnancy loss in heifers receiving in vitro produced expanded blastocysts” Reproduction, Fertility and Development, 2016, Vol. 28 No. 1 Page 185-186.
  67. V. Sala, L.C. Carrenho-Sala, M. Fosado, L. C. C. Tosta, R. D. Tosta, M. Stoll, J. F. Moreno, B. M. Monteiro, P. S. Baruselli, A. Garcia-Guerra, M. C. Wiltbank. “Comparison of methods for synchronizing recipients of in vitro produced embryos” Reproduction, Fertility and Development, 2016, Vol. 28 No. 1 Page 185.
  68. C. Carrenho-Sala, R. V. Sala, M. Fosado, D. C. Pereira, S. Garcia, A. Lopez, J. Moreno, A. Garcia-Guerra, M. C. Wiltbank. “Factors that influence fertility in an IVF embryo transfer program in dairy heifers” Reproduction, Fertility and Development, 2016, Vol. 28 No. 1 Page 183-184.
  69. D. Narciso, E. Martinez, R. Ruggeri, A. Garcia-Guerra, Y.F. Watanabe, M. Chiba, E.O.S. Batista, M. Wiltbank, R.J. Mapletoft, A.H. Souza. “Effect of the length of FSH treatment (4d vs 7d) on the superovulatory response of lactating Holstein cows”. Animal Reproduction, 2015 Vol 12, n.3, Page 700.
  70. Z. Toledo, G. M. Baez, E. Trevisol, N. E. Lobos, A. Garcia-Guerra, J. N. Guenther, D. Luchini, R. D. Shaver, M. C. Wiltbank. “Effect of top-dressing rumen-protected methionine in lactating Holstein cows: II. Fertility and embryo development”. Journal of Dairy Science 2015, Vol 98, Suppl 2, Page 301.
  71. Z. Toledo, G. M. Baez, E. Trevisol, N. E. Lobos, A. Garcia-Guerra, J. N. Guenther, D. Luchini, R. D. Shaver, M. C. Wiltbank. “Effect of top-dressing rumen-protected methionine in lactating Holstein cows: I. Profile of plasma amino acids, milk yield, and milk composition”. Journal of Dairy Science 2015, Vol 98, Suppl 2, Page 136.
  72. M. Baez, R. V. Barletta, A. Ricci, E. Trevisol, J. N. Guenther, A. Garcia-Guerra, B. O. Cardoso, M. Z. Toledo, J. P. Ferreira, M. C. Wiltbank. “Effect of a second dose of prostaglandin F2a during Double-Ovsynch on successful luteolysis and fertility”. Journal of Dairy Science 2015, Vol 98, Suppl 2, Page 812.
  73. Garcia Guerra, M. Kamalludin, A. Sallam, B. Kirkpatrick, M. C. Wiltbank. “Hormonal profiles and follicular dynamics in cattle that are carriers of a high fecundity allele”. Abstract 639. Proceedings of the 48th Annual Meeting of the Society for the Study of Reproduction 2015, June 18-22, San Juan, Puerto Rico.
  74. M. Baez, A. Garcia Guerra, R. V. Sala, M. Fosado, J. N. Guenther, M. Z. Toledo, M. C. Wiltbank. “Larger uterine size is associated with increased pregnancy loss and reduced fertility in heifers receiving an in-vitro produced embryo”. Abstract 218. Proceedings of the 48th Annual Meeting of the Society for the Study of Reproduction 2015, June 18-22, San Juan, Puerto Rico.
  75. M. Baez, R. V. Barletta, A. Ricci, E. Trevisol, A. Garcia Guerra, P. D. Carvalho, J. N. Guenther, B. O. Cardoso, M. Z. Toledo, M. C. Wiltbank. “Treatment with GnRH 5d after Breeding Preferentially Produces an Accessory CL Contralateral to the Pregnancy and this CL Generally Regresses Prior to Day 75 of Pregnancy in Lactating Dairy Cows”. Abstract 206. Proceedings of the 47th Annual Meeting of the Society for the Study of Reproduction 2014, July 19-23, Grand Rapids, Michigan.
  76. D. Carvalho, N. E. Lobos, M. Z. Toledo, E. Trevisol, V. G. Santos, R. V. Barletta, G. M. Baez, A. Garcia-Guerra, J. N. Guenther, A. H. Sousa, D. Luchini, P. M. Fricke, R. D. Shaver, M. C. Wiltbank. “Changes in plasma methionine concentrations after administration of two different doses of rumen protected methionine.” Journal of Dairy Science 2014, Vol 97, Suppl 1, Page 756.
  77. García Guerra, B. Chaban, J. E. Hill, C. Waldner, S. Hendrick, 2012. “Clinical sensitivity and specificity of a quantitative PCR assay for Bovine Genital Campylobacteriosis in bulls”. Proceedings of the 45th Annual Convention of the American Association of Bovine Practitioners, September 20-22, Montreal, Canada.
  78. García Guerra, J. Hill, J. Campbell, C. Waldner, S. Hendrick, 2012. “Real time PCR for Trichomonosis on pooled direct preputial samples”. Proceedings of the 45th Annual Convention of the American Association of Bovine Practitioners, September 20-22, Montreal, Canada.
  79. Garcia Guerra, R. Mapletoft, J. Singh, S. Hendrick. “Effect of estrus synchronization on interval to estrus and pregnancy of bull-bred, post-partum beef cows”. Proceedings of the 17th International Congress on Animal Reproduction 2012, July 29-August 2, Vancouver, British Columbia.
  80. García Guerra, A. Tribulo, J. Yapura, J. Singh, R. Mapletoft. “Effect of lengthening the superstimulatory treatment protocol on the ovarian response and numbers of transferable embryos in beef cows” Reproduction, Fertility and Development, 2012, Vol. 24 No. 1 Page 224.
  81. García Guerra, S. Hendrick, C. Waldner, J. Hill, J. Campbell., 2011. “Sensitivity of a real time PCR assay for bovine Trichomonosis in pooled preputial samples”. Proceedings of the 44th Annual Convention of the American Association of Bovine Practitioners, September 22-24, St. Louis, Missouri, Page 165.
  82. García Guerra, G. M. Brogliatti. “Computer-Assisted Sperm Analysis of Frozen sperm motility after repeated exposures to room temperature” Reproduction, Fertility and Development, 2010, Vol. 22 No. 1 Page 200-201.
  83. García Guerra, J. Villarreal, G. Larraburu, G. M. Brogliatti. “Superstimulated bovine donors inseminated with semen with different linearity evaluated by Computer-Assisted Sperm Analysis”. Reproduction, Fertility and Development, 2010, Vol. 22 No. 1 Page 361-362.
  84. García Guerra, M. G. Lussenhoff, G. M. Brogliatti. “Motility (CASA) and viability of frozen sperm after different times of Exposure at 15ºC” Reproduction, Fertility and Development, 2010, Vol. 22 No. 1 Page 204-205.
  85. Brogliatti, J. Villarreal, L. Cutaia, A. Albrech, A. García Guerra, G. A. Bó. “Optimal of dose of ovine pituitary gland extract Ovagen for superstimulation of beef cow donors in Argentina”. Reproduction, Fertility and Development, 2009, Vol. 21 No. 1 Page 242.
  86. García Guerra, G. A. Bó, J. Villarreal, G. M. Brogliatti. “Superovulatory response in cows following synchronization of follicle wave emergence with estradiol at different stages of the estrous cycle”. Reproduction, Fertility and Development, 2008 Vol. 20 No. 1 Pages 227 – 228.
  87. Villarreal, A. Garcia Guerra, G. M. Brogliatti. “Effect of recipient category on pregnancy rates on a bovine embryo transfer program in Patagonia Argentina” Reproduction, Fertility and Development, 2008 Vol. 20 No. 1 Pages 155 – 156.
  88. García Guerra, M. P. Etcheverry, D. Rodríguez, G. Larraburu, G. M. Brogliatti. “Computer assisted sperm analysis of frozen sperm motility alter different times of exposure at 15ºC” Reproduction, Fertility and Development, 2008 Vol. 20 No. 1 Page 119.
  89. G. Lussenhoff, G. Larraburu, R. Cavia, D. Rodríguez, A. García Guerra, G. M. Brogliatti. “Computer assisted sperm analysis parameters of Bos Taurus Criollos bull semen vs. those of other Bos Taurus breeds in Argentina”. Reproduction, Fertility and Development, 2008 Vol. 20 No. 1 Page 88.
  90. García Guerra, D. Rodríguez, J. Villareal, A. Albrecht, G. Brogliatti. “Effects of condition score on ovarian response and transferable embryos in superstimulated cows in Argentina” Reproduction, Fertility and Development, 2007 Vol. 19 No. 1 Pages 307 – 308.