This video may be inappropriate for some users. Sign in to confirm your age. Watch Queue. Queue. Watch QueueQueue. Remove all. Curso de Andrologia en Bovinos, ANDROVET-México, Androvet México, Guadalajara, Mexico. Fri May 19 at am, Nuestro curso de. sociedadd española andrologia – andrologia policilnico ltd exame androllogico em bovinos its beka androeda un. andrologia try socieda despañola.

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Efficacy of caudal epidural injection of lidocaine, xylazine and xylazine plus hyaluronidase in reducing discomfort produced by electroejaculation in bulls. Bull Breeding Soundness, 3rd edition. Journal of Dairy Science, v. Thus, as resveratrol is andrologka powerful antioxidant with an important role on sperm protection [ 3 ], the aim of this study was to evaluate the protective effect of resveratrol on goat anrologia submitted to sex sorting in discontinuous Percoll gradient.

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To perform this study were used three semen pools from four mature goats, collected with artificial vagina. Author information Article notes Copyright and License information Disclaimer. Journal of Agricultural Research, v. Support Center Support Center.

Effect of antioxidants resveratrol and quercetin on in vitro evaluation of frozen ram sperm. These sperm subpopulation changed their distribution androlovia cooling process. Our results demonstrated that three separate sperm subpopulations coexist in boar ejaculates, Welfare aspects of theriogenology: Canadian Veterinary Journal, v. Journal Dairy Science, v.


Comparison of semen samples collected from beef bulls by transrectal massage or artificial vagina. In conclusion, resveratrol does not represent protection to goat sperm submitted to sex sorting in discontinuous Percoll gradient. Instituto de Zootecnia, v. Electroejaculation increased vocalization and plasma concentrations of cortisol and anddologia, but not substance P, in beef bulls. Use of oxytocin and cloprostenol to facilitate semen collection by electroejaculation or transrectal massage in bulls.

The spermatic cells recovered from each gradient, androologia or without resveratrol, were evaluated too. Morphometry characterization of boar sperm head with computer assisted analysis preliminary results. Enviado por Jaqueline flag Denunciar. Western Bovinow Association of Bovine Practitioner, p.

Sexing sperm is an important biotechnical that enables improve animal production, with achievement of maximum animal breeding. Animal Reproduction Science, v. Physiology of reproduction androloga artificial insemination of cattle. Does bovine besnoitiosis affect the sexual function of chronically infected bulls? Evaluation of possible methods to reduce pain associated with electroejaculation in bulls. Use of internal artificial vaginas for breeding soundness evaluation in range bulls: Veterinaria e Zootecnia, v.

Therefore, antioxidants therapies can be an important alternative to protect the sperm during laboratory manipulation [ 3 ]. Technique for obtaining spermatozoa for physiological dairy studies and artificial insemination. New advances in the electroejaculation of the bull. However, new amdrologia should be realized to reduce the standard variances and determine the real role of resveratrol on sperm protection. Handling cases of sterility in practice.

Curso de Andrologia e Congelação de Sêmen em bovinos

National Association of Animal Breeders,p. De los espermatozoides evaluados, correspondieron a las muestras provenientes de semen fresco y de semen refrigerado. Se contaron los espermatozoides presentes en 5 de los 25 cuadros de la misma. Semen collection by electro-ejaculation and massage of the pelvic organs.



Sperm head length decreased of 8. Journal of Veterinary Medicine Science, v. Comparative evaluation of the effect of antioxidants in the andrplogia of ram semen. However, all sex semen methodologies can promote irreparable damages to sperm cell, which compromise their fertility [ 1 ]. Effect of semen collection by transrectal massage of accessory sexual glands or artificial vagina bovinoz the outcome of breeding soundness examinations of Italian yearling beef bulls.

Semen, morphometry, refrigeration, sperm subpopulations, boar. ABSTRACT To determine the morphometric parameters of the sperm head, and identify the presence of separate sperm subpopulations in boar semen were evaluated 20 ejaculate samples of 10 boars.

Comparison of electroejaculation and transretal massage for semen collection in range and yearling feedlot beef bulls. Quality of semen collected by transrectal massage in bulls restrained in the presence of a cow. Among the main causes of injures to the sperm are the reactive oxygen species, which have their production intensified during semen manipulation [ 2 ].