PDF | La encefalopatía espongiforme bovina (EEB), más Article (PDF Available ) in Veterinaria Mexico · January with Reads. México, 13 Mar. Estas enfermedades de priones, o encefalopatía espongiforme (como se les llama . Por eso, como en la encefalopatía espongiforme, los priones bovinos pueden afectar a los seres humanos. No existe la. del análisis efectuado: Cuantitativo. Temática: “Análisis de riesgo sobre la ocurrencia de la encefalopatía espongiforme bovina en México”. INTRODUCTION.

Author: Nizuru Vuk
Country: Brunei Darussalam
Language: English (Spanish)
Genre: Literature
Published (Last): 5 May 2012
Pages: 313
PDF File Size: 13.92 Mb
ePub File Size: 15.20 Mb
ISBN: 995-7-25209-710-7
Downloads: 49086
Price: Free* [*Free Regsitration Required]
Uploader: Yojin

Epididymis was dissected to boviha the retrograde flushing of the epididymis tailusing 10 mL of a diluent based on skim milk INRA Los priones no entienden de especies.

Likewise Papa et al. The most widely used parameter as fertility predictor for AI in horses is the individual motility of post-thaw spermatozoa, existing reports in which there is an acceptable motility of at least Guidelines for Laboratories – – – – – – – Pandemic H1N1 Then an equilibration period of encefalopatai hours was given.

Regarding thawed samples, there is a To obtain sperm, epididymis tail was mexjco dissected, including deferens vessel; and later a retrograde flushing was made from the deferens duct by introducing gauge needle inserted at the entrance of the deferens duct. September – – – – – – – 4. Communicators – – – – – – – Pandemic H1N1 Providing the Evidence Base for Chronic Disease – – – – – There are evidences reporting at epididymis level the presence of substances causing modifications in the sperm membrane.


Lista des laboratorios : OIE – World Organisation for Animal Health

However, in this study, it was only taken into account that sperm presented primary and secondary abnormalities, while Heise et al. En una de esas familias, y come Search for documents Find by title or description….

No existe la barrera que separa a los virus y a las bacterias, especializadas en un organismo. A generally accepted criterion for using post-thaw ejaculated semen of horses is that boviba must present a motility between The progressive motility of equine epididymis sperm in fresh samples obtained in this study was of Revista Ilustrada de actualidad general.

¿El regreso de las vacas locas? Primero aparece en reses, y luego en humanos – El Mostrador

During semen cryopreservation, alterations of the membrane are produced causing a decrease in sperm viability 8. This value in the progressive motility may result from the freezing protocol used eb the assay since the diluent with glycerol was added in one step at 2 hours of cooling, unlike James 2 who added glycerol in fractions of 0. The concentration of the samples was evaluated by counting in a Neubauer chamber 2. Barbados – – – – Experts Meeting.

Considering the above, and due to there are not reports in Mexico in which parameters of potential viability in equine epididymal sperm are registered, the objective of this study was to evaluate the characteristics of equine sperm taken from the epididymis tail, fresh and cryopreserved for possible use in assisted reproduction procedures.


Freezing of stallion epidymal sperm. In any assisted reproductive procedure, the main objective is the use of viable sperm having a high potential for fertilization, and in the case of choosing spermatozoa, the best option is enfefalopatia select those that are alive and without RA.

Finally, 5 mL of air were introduced to facilitate the complete emptying of the epididymis tail content. Comunicadores – – – – – – – Pandemic H1N1 With this procedure, a recovery of sperm similar to that obtained in ejaculates collected through artificial vagina is reported 4,3. Reduzca la velocidad – – – – Influence of sperm pretreatment on the efficiency of intracytoplasmic sperm injection in pigs.

Alerta: los priones amenazan

But these authors only mention the presence of the intact acrosome without specifying whether they are alive or dead. Viability and morphology estimate was carried out by encefaloopatia with eosin-nigrosin and the evaluation with of 40X and X objectives, respectively.

Assessment of sperm quality: Clinical Guidelines – – – – – – – Pandemic H1N1 Aprender a cuidar el cabello. Conferencia mundial sobre estilos de bovinw – – – – – 8.