Leonardo F C Brito
Assistant Professor of Large Animal Reproduction - CE, University of Pennsylvania School of Veterinary Medicine
Contact information
382 West Street Road
Kennett Square, PA 19348
Kennett Square, PA 19348
Office: 610-925-6161
Email:
lbrito@vet.upenn.edu
lbrito@vet.upenn.edu
Publications
Education:
DVM (Veterinary Medicine)
Universidade Federal de Uberlandia-Brazil, 1997.
MSc (Animal Reproduction (Theriogenology))
Universidade Estadual de Sao Paulo-Botucatu, 2000.
MVSc (Animal Reproduction (Theriogenology))
University of Saskatchewan-Canada, 2003.
PhD (Animal Reproduction (Theriogenology))
University of Saskatchewan-Canada, 2006.
Permanent linkDVM (Veterinary Medicine)
Universidade Federal de Uberlandia-Brazil, 1997.
MSc (Animal Reproduction (Theriogenology))
Universidade Estadual de Sao Paulo-Botucatu, 2000.
MVSc (Animal Reproduction (Theriogenology))
University of Saskatchewan-Canada, 2003.
PhD (Animal Reproduction (Theriogenology))
University of Saskatchewan-Canada, 2006.
Description of Research Expertise
Neuroendocrine control of sexual development in males; Genetic and environmental effects on sperm production in livestock; Testicular thermoregulation; Ultrasonography applied to andrology practice; Semen preservation and use for artificial insemination and other ART’s; Abnormal spermatogenesis and sperm morphology; Semen analysis automation and standardization; Quality assurance in andrology laboratories.Description of Clinical Expertise
Neuroendocrine control of sexual development in males; Genetic and environmental effects on sperm production in livestock; Testicular thermoregulation; Ultrasonography applied to andrology practice; Semen preservation and use for artificial insemination and other ART’s; Abnormal spermatogenesis and sperm morphology; Semen analysis automation and standardization; Quality assurance in andrology laboratories.Selected Publications
Dascanio, J. and McCue, P., editors: Evaluation of sperm morphology. Equine Reproductive Procedures. Dascanio, J. and McCue, P. (eds.). Wiley-Blackwell, Page: 499-504, 2021.Peter AT, Brito LF, Althouse GC, Aurich C, Chenoweth PJ, Fraser N, Lopate C, Love CC, Luvoni GC, Waberski D. : Andrology laboratory review: Evaluation of sperm motility. Clinical Theriogenology 13: 297-315, 2021.
Brito LF, Vishwanath R, Heuer C, Evans K.: Bovine sexed semen production and utilization. Clinical Theriogenology Page: 297-315, 2019.
Brito, L. F. C.: A multilaboratory study on the variability of bovine semen analysis. Theriogenology 85(2): 254-266, 2016.
Brito, L. F. C., Althouse, G. C., Aurich, C., Chenoweth, P. J., Eilts, B. E., Love, C. C., Luvoni, G. C., Mitchell, J. R., Peter, A. T., Pugh, D. G., Waberski, D.: Andrology laboratory review: Evaluation of sperm concentration. Theriogenology 85(9): 1507-1527, 2016.
Brito, L. F.: Endocrine Control of Testicular Development and Initiation of Spermatogenesis in Bulls. Page: 30-38, 2014.
Brito, L. F.: Bull Development: Sexual Development and Puberty in Bulls. Page: 41-57, 2014.
Brito, L. F. C.: Applied andrology in cattle (Bos taurus). Page: 297-351, 2014.
Brito, L. F. C., Barth, A. D., Wilde, R. E., Kastelic, J. P.: Testicular vascular cone development and its association with scrotal temperature, semen quality, and sperm production in beef bulls. Animal Reproduction Science 134(3-4): 135-140, 2012.
Brito, L. F. C., Barth, A. D., Wilde, R. E., Kastelic, J. P.: Effect of growth rate from 6 to 16 months of age on sexual development and reproductive function in beef bulls. Theriogenology 77(7): 1398-1405, 2012.
Brito, L. F. C., Barth, A. D., Wilde, R. E., Kastelic, J. P.: Testicular ultrasonogram pixel intensity during sexual development and its relationship with semen quality, sperm production, and quantitative testicular histology in beef bulls. Theriogenology 78(1): 69-76, 2012.
Brito, L. F. C., Greene, L. M., Kelleman, A., Knobbe, M., Turner, R.: Effect of method and clinician on stallion sperm morphology evaluation. Theriogenology 76(4): 745-750, 2011.
Brito, L. F. C., Sertich, P. L., Rives, W., Knobbe, M., Piero, F. D., Stull, G. B.: Effects of intratesticular zinc gluconate treatment on testicular dimensions, echodensity, histology, sperm production, and testosterone secretion in American black bears (Ursus americanus). Theriogenology 75(8): 1444-1452, 2011.
Brito, L. F. C., Sertich, P. L., Stull, G. B., Rives, W., Knobbe, M.: Sperm ultrastructure, morphometry, and abnormal morphology in American black bears (Ursus americanus). Theriogenology 74(8): 1403-1413, 2010.
Brito, L. F. C., Barth, A. D., Rawlings, N. C., Wilde, R. E., Crews Jr, D. H., Boisclair, Y. R., Ehrhardt, R. A., Kastelic, J. P.: Effect of feed restriction during calfhood on serum concentrations of metabolic hormones, gonadotropins, testosterone, and on sexual development in bulls. Reproduction 134(1): 171-181, 2007.
Brito, L. F. C., Barth, A. D., Rawlings, N. C., Wilde, R. E., Crews Jr, D. H., Mir, P. S., Kastelic, J. P.: Effect of nutrition during calfhood and peripubertal period on serum metabolic hormones, gonadotropins and testosterone concentrations, and on sexual development in bulls. Domestic Animal Endocrinology 33(1): 1-18, 2007.
Brito, L. F. C., Barth, A. D., Rawlings, N. C., Wilde, R. E., Crews Jr, D. H., Mir, P. S., Kastelic, J. P.: Circulating metabolic hormones during the peripubertal period and their association with testicular development in bulls. Reproduction in Domestic Animals 42(5): 502-508, 2007.
Brito, L. F. C., Barth, A. D., Rawlings, N. C., Wilde, R. E., Crews Jr, D. H., Mir, P. S., Kastelic, J. P.: Effect of improved nutrition during calfhood on serum metabolic hormones, gonadotropins, and testosterone concentrations, and on testicular development in bulls. Domestic Animal Endocrinology 33(4): 460-469, 2007.
Brito, L. F. C., Silva, A. E. D. F., Barbosa, R. T., Kastelic, J. P.: Testicular thermoregulation in Bos indicus, crossbred and Bos taurus bulls: Relationship with scrotal, testicular vascular cone and testicular morphology, and effects on semen quality and sperm production. Theriogenology 61(2-3): 511-528, 2004.
Brito, L. F. C., Silva, A. E. D. F., Unanian, M. M., Dode, M. A. N., Barbosa, R. T., Kastelic, J. P.: Sexual development in early- and late-maturing Bos indicus and Bos indicus x Bos taurus crossbred bulls in Brazil. Theriogenology 62(7): 1198-1217, 2004.
Brito, L. F. C., Barth, A. D., Bilodeau-Goeseels, S., Panich, P. L., Kastelic, J. P.: Comparison of methods to evaluate the plasmalemma of bovine sperm and their relationship with in vitro fertilization rate. Theriogenology 60(8): 1539-1551, 2003.
Brito, L. F. C., Silva, A. E. D. F., Barbosa, R. T., Unanian, M. M., Kastelic, J. P.: Effects of scrotal insulation on sperm production, semen quality, and testicular echotexture in Bos indicus and Bos indicus x Bos taurus bulls. Animal Reproduction Science 79(1-2): 1-15, 2003.
Brito, L. F. C., Silva, A. E. D. F., Rodrigues, L. H., Vieira, F. V., Deragon, L. A. G., Kastelic, J. P.: Effect of age and genetic group on characteristics of the scrotum, testes and testicular vascular cones, and on sperm production and semen quality in AI bulls in Brazil. Theriogenology 58(6): 1175-1186, 2002.
Brito, L. F. C., Silva, A. E. D. F., Rodrigues, L. H., Vieira, F. V., Deragon, L. A. G., Kastelic, J. P.: Effects of environmental factors, age and genotype on sperm production and semen quality in Bos indicus and Bos taurus AI bulls in Brazil. Animal Reproduction Science 70(3-4): 181-190, 2002.