Search Results - "Brito, Leonardo F.C"

Effect of method and clinician on stallion sperm morphology evaluation by Brito, Leonardo F.C, Greene, Lauren M, Kelleman, Audrey, Knobbe, Marc, Turner, Regina

“…The objective of this study was to determine the effects of method and clinician on stallion sperm morphology evaluation. Five clinicians evaluated 60 semen…”
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Comparison of methods to evaluate the plasmalemma of bovine sperm and their relationship with in vitro fertilization rate by Brito, Leonardo F.C., Barth, Albert D., Bilodeau-Goeseels, Sylvie, Panich, Paul L., Kastelic, John P.

“…The objectives of this study were to compare different methods of evaluating sperm plasmalemma and to determine their relationship with in vitro fertilization…”
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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 by Brito, Leonardo F.C, Silva, Antonio E.D.F, Barbosa, Rogerio T, Kastelic, John P

“…Mechanisms of testicular thermoregulation, the relationship of scrotal, testicular vascular cone (TVC), and testicular morphology with thermoregulatory…”
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Effects of intratesticular zinc gluconate treatment on testicular dimensions, echodensity, histology, sperm production, and testosterone secretion in American black bears ( Ursus americanus) by Brito, Leonardo F.C, Sertich, Patricia L, Rives, William, Knobbe, Marc, Piero, Fabio Del, Stull, Gordon B

“…Eight adult American black bears were used to evaluate the effects of chemical castration by intratesticular zinc gluconate treatment on testicular dimensions,…”
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Effects of scrotal insulation on sperm production, semen quality, and testicular echotexture in Bos indicus and Bos indicus × Bos taurus bulls by Brito, Leonardo F.C., Silva, Antonio E.D.F., Barbosa, Rogerio T., Unanian, Maria M., Kastelic, John P.

“…The objectives of the present study were to evaluate the effects of scrotal insulation on sperm production, semen quality, and testicular echotexture in Bos…”
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Effect of nutrition during calfhood and peripubertal period on serum metabolic hormones, gonadotropins and testosterone concentrations, and on sexual development in bulls by Brito, Leonardo F.C., Barth, Albert D., Rawlings, Norm C., Wilde, Randal E., Crews, Denny H., Mir, Priya S., Kastelic, John P.

“…The objective of the present study was to characterize the effects of nutrition on circulating concentrations of metabolic hormones, gonadotropins, and…”
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Effect of improved nutrition during calfhood on serum metabolic hormones, gonadotropins, and testosterone concentrations, and on testicular development in bulls by Brito, Leonardo F.C., Barth, Albert D., Rawlings, Norm C., Wilde, Randal E., Crews, Denny H., Mir, Priya S., Kastelic, John P.

“…The objective of the present study was to evaluate the effects of improved nutrition during calfhood on serum metabolic hormones, gonadotropins and…”
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Use of internal artificial vaginas for breeding soundness evaluation in range bulls: an alternative for electroejaculation allowing observation of sex drive and mating ability by Barth, Albert D, Arteaga, Andres A, Brito, Leonardo F.C, Palmer, Colin W

“…The objective of this study was to test the efficacy of an inexpensive, reusable internal artificial vagina (IAV) developed for breeding soundness evaluation…”
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Quality assurance applied to semen analysis by Brito, Leonardo F.C.

“…Artificial insemination is an important biotechnology employed in livestock production. Production of semen products requires analysis of sperm concentration,…”
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Nutrition and Sexual Development in Bulls by Brito, Leonardo F C

“…This manuscript provides an overview of the effects of nutrition during different stages of bull sexual development. Nutrition during the prepubertal period…”
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Sexual development in early- and late-maturing Bos indicus and Bos indicus × Bos taurus crossbred bulls in Brazil by Brito, Leonardo F.C., Silva, Antonio E.D.F., Unanian, Maria M., Dode, Margot A.N., Barbosa, Rogerio T., Kastelic, John P.

“…Two experiments were conducted to evaluate sexual development in early- and late-maturing Nelore ( Bos indicus) and Canchim (3/8 Bos indicus × 5/8 Bos taurus…”
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Effect of refreezing extender on stallion sperm quality and embryo production after intracytoplasmic sperm injection by Brito, Leonardo F.C., Felix, Matheus R., Linardi, Renata L., Martinez de Andino, Elena V., Balamurugan, Nithiya Sri, Hernández-Avilés, Camilo, Hinrichs, Katrin

“…Intracytoplasmic sperm injection (ICSI) is a valuable assisted reproduction technology in clinical practice, especially when semen availability is limited…”
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Evaluation of Stallion Sperm Morphology by Brito, Leonardo F.C.

“…Evaluation of sperm morphology is an important part of stallion breeding soundness evaluation. The objectives of this review are to discuss the pathogenesis of…”
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A multilaboratory study on the variability of bovine semen analysis by Brito, Leonardo F.C.

“…To evaluate the variability of semen analysis, five replicates of 10 different bovine frozen semen batches were coded with different identification numbers and…”
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Penicillin and amikacin mixture has bactericidal activity equivalent to gentamicin, tylosin, lincomycin and spectinomycin mixture in equine frozen semen by Brito, Leonardo F. C., Loomis, Paul R., Klohonatz, Kristin M., Althouse, Gary C.

“…Neat stallion semen can contain a variety of microorganisms, some of which may impair sperm quality and/or cause infection of the mares' reproductive tract…”
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Andrology laboratory review: Evaluation of sperm concentration by Brito, Leonardo F.C., Althouse, Gary C., Aurich, Christine, Chenoweth, Peter J., Eilts, Bruce E., Love, Charles C., Luvoni, Gaia C., Mitchell, Jere R., Peter, Augustine T., Pugh, David G., Waberski, Dagmar

“…This article is the result of the work of the andrology task-force of the Association of Applied Animal Andrology, American College of Theriogenologists,…”
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Testicular vascular cone development and its association with scrotal temperature, semen quality, and sperm production in beef bulls by Brito, Leonardo F.C., Barth, Albert D., Wilde, Randal E., Kastelic, John P.

“…The objectives of this study were to characterize development of the testicular vascular cone using ultrasonography and to determine associations of vascular…”
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Sexual development in early- and late-maturing Bos indicus and Bos indicus x Bos taurus crossbred bulls in Brazil by Brito, Leonardo F C, Silva, Antonio E D F, Unanian, Maria M, Dode, Margot A N, Barbosa, Rogerio T, Kastelic, John P

“…Two experiments were conducted to evaluate sexual development in early- and late-maturing Nelore (Bos indicus) and Canchim (3/8 Bos indicus x 5/8 Bos taurus…”
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Relationship between semen quality and pixel–intensity of testicular ultrasonograms after scrotal insulation in beef bulls by Arteaga, Andres A., Barth, Albert D., Brito, Leonardo F.C.

“…The objective of this study was to determine the relationship between semen quality and testicular pixel–intensity derived from image analysis of…”
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Follicular dynamics and plasma FSH and progesterone concentrations during follicular deviation in the first post-ovulatory wave in Nelore ( Bos indicus) heifers by Castilho, Caliê, Garcia, Joaquim M., Renesto, Andrea, Nogueira, Guilherme P., Brito, Leonardo F.C.

“…The objective of the present study was to characterize ovarian follicular dynamics and hormone concentrations during follicular deviation in the first wave…”
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