LEONARDO F. BRITO
Contact
New Bolton Center Kennett Square, PA
Emergencies & Appointments:
610-444-5800
Directions
Ryan Hospital Philadelphia, PA
Emergencies:
215-746-8911
Appointments:
215-746-8387
Directions

LEONARDO F. BRITO, DVM, MSc, MVSc, PhD

Diplomate, American College of Theriogenologists

Assistant Professor of Large Animal Reproduction, University of Pennsylvania School of Veterinary Medicine

Associate Professor of Large Animal Reproduction, University of Pennsylvania School of Veterinary Medicine
Contact Information:
382 West Street Road

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.

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.

Dascanio, J. and McCue, P., editors Evaluation of sperm morphology. Equine Reproductive Procedures : 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 : 297-315, 2019.

Brito, L. F. C. A multilaboratory study on the variability of bovine semen analysis Theriogenology 85: 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: 1507-1527, 2016.

Brito, L. F. Endocrine Control of Testicular Development and Initiation of Spermatogenesis in Bulls : 30-38, 2014.

Brito, L. F. Bull Development: Sexual Development and Puberty in Bulls : 41-57, 2014.

Brito, L. F. C. Applied andrology in cattle (Bos taurus) : 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: 135-140, 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: 69-76, 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: 1398-1405, 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: 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: 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: 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: 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 improved nutrition during calfhood on serum metabolic hormones, gonadotropins, and testosterone concentrations, and on testicular development in bulls Domestic Animal Endocrinology 33: 460-469, 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: 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 nutrition during calfhood and peripubertal period on serum metabolic hormones, gonadotropins and testosterone concentrations, and on sexual development in bulls Domestic Animal Endocrinology 33: 1-18, 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: 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: 1198-1217, 2004.

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: 1-15, 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: 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: 181-190, 2002.

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: 1539-1551, 2003.

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

Diplomate, American College of Theriogenologists