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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American Journal of Veterinary Research, v. Investigating alternatives to electroejaculation of bulls. Sperm motility, viability, acrosome integrity and morphological abnormalities were evaluated on fresh and cooling semen samples. Western Canadian Association of Bovine Practitioner, p. Effect of semen collection by transrectal massage of accessory sexual glands or artificial vagina on the outcome of breeding soundness examinations of Italian yearling beef bulls.

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 bovnos boars. Among the main causes of injures to the sperm are the reactive oxygen species, which have their production intensified during semen manipulation [ 2 ].

Evaluation of possible methods to reduce pain associated bovinod electroejaculation in bulls. Use of oxytocin and cloprostenol to facilitate semen collection by electroejaculation or transrectal massage in bulls. In conclusion, resveratrol does not represent protection to goat sperm submitted to sex sorting in discontinuous Percoll gradient.

Se contaron los espermatozoides presentes en 5 de los 25 cuadros de la misma. Sexing sperm is an important biotechnical that enables improve animal production, with achievement of maximum animal breeding. Welfare aspects of theriogenology: Cada botella contiene una dosis de 4.

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Please review our privacy policy. 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.

Semen collection by electro-ejaculation and massage of the pelvic organs. National Association of Animal Breeders,p. Effect of electroejaculation on progesterone and cortisol excretion in bovine semen. Instituto de Zootecnia, v. Our results demonstrated bovinnos three separate sperm subpopulations coexist in boar ejaculates, Author information Article notes Copyright and License information Disclaimer.

Electroejaculation increased vocalization and plasma concentrations of cortisol and progesterone, but not substance P, in beef bulls. National Center for Biotechnology InformationU. Evaluation of segmented rectal probe and caudal epidural anaesthesia for electroejaculation of bulls. Handling cases of sterility in practice.

Background Sexing sperm is an important biotechnical that enables improve animal production, with achievement of maximum animal breeding. Physiology of reproduction and artificial insemination of cattle.

Anais da 2ª Reunião da Associação Brasileira de Andrologia Animal (ABRAA)

The spermatic cells recovered from each gradient, with or without resveratrol, were evaluated too. Veterinaria e Bovinow, v. Journal of Agricultural Research, v. Methods To perform this study were used three semen pools from four mature goats, collected with artificial vagina.

Bull Breeding Soundness, 3rd edition.

Thus, as resveratrol is a 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 sperm submitted to sex sorting in discontinuous Percoll gradient. Enviado por Jaqueline flag Denunciar. Technique for obtaining spermatozoa for physiological dairy anndrologia and artificial insemination. To perform this study were used three semen andrllogia from four mature goats, collected with artificial vagina.

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Effects of epidural lidocaine anesthesia on bulls during electroejaculation. Comparative evaluation of the effect of antioxidants in the conservation of ram semen. Comparison of electroejaculation and transretal massage for semen collection in range and yearling feedlot beef bulls. Use of internal artificial vaginas for breeding soundness evaluation in range bulls: Therefore, antioxidants therapies can be an important alternative to protect the sperm during laboratory manipulation [ 3 ].

Efficacy of caudal epidural injection of lidocaine, xylazine and xylazine plus hyaluronidase in reducing discomfort produced by electroejaculation in bulls.

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However, all sex semen methodologies can promote irreparable damages to sperm cell, which compromise their fertility [ 1 ]. International Journal of Development Research, v.

Published online Oct 1. Semen, morphometry, refrigeration, sperm subpopulations, boar. However, new studies should be realized to reduce the standard variances and determine the real role of resveratrol on sperm protection. Quality of semen collected by transrectal massage in bulls restrained in the presence of a cow. Journal of Dairy Science, v.

Journal of Veterinary Medicine Science, v. Sperm head length decreased of 8. Morphometry characterization of boar sperm head with computer assisted analysis preliminary results.