2024-03-28T17:16:24Zhttp://buleria.unileon.es/oai/requestoai:buleria.unileon.es:10612/107572020-12-10T08:56:55Zcom_10612_17col_10612_18
BULERIA. Repositorio Institucional de la Universidad de León
author
Najafi, Abouzar
author
Najafi, Mir Hossein
author
Zanganeh, Zaynab
author
Sharafi, Mohsen
author
Martínez Pastor, Felipe
author
Adeldust, Hamideh M.
other
Biologia Celular
2019-05-16T10:46:30Z
2019-05-16T10:46:30Z
2019-05-16
Reproduction in Domestic Animals, 2014, vol. 49, n. 6
https://onlinelibrary.wiley.com/doi/full/10.1111/rda.12405
http://hdl.handle.net/10612/10757
A soybean lecithin‐based extender supplemented with hyaluronic acid (HA) was assayed for effectiveness to improve the quality of frozen–thawed ram semen. HA has not been tested yet in an extender containing soybean lecithin for freezing ram semen. Thus, the aim of this study was to analyse the effects of soybean lecithin at 1% or 1.5% along with HA at 0, 0.5 and 1 mg ml‐1 in a Tris‐based extender on the motion characteristics, membrane integrity (HOST), viability, GSH peroxidase (GSH‐PX) activity, lipid peroxidation and acrosomal status after freezing–thawing. Semen was collected from four Mehraban rams during the breeding season and frozen in the six lecithin×HA extenders. The extender containing 1.5% lecithin supplemented with no HA yielded higher total motility (52.5%±1.6), viability (55.8%±1.6) and membrane integrity (44.5%±1.7), but the effects of the lecithin concentration did not reach signification. Linearity‐related parameters, ALH, BCF, lipid peroxidation, GSH‐PX activity, morphology and acrosomal status were not affected by the extender composition. In general, adding HA significantly decreased sperm velocity (1 mg ml‐1 HA), total motility (only with 1.5% lecithin), viability (1 mg ml‐1 HA for 1% lecithin; both concentrations for 1.5% lecithin) and membrane integrity. In conclusion, adding HA to the freezing extender supplemented with soybean lecithin failed to improve quality‐related variables in ram semen. Increasing the lecithin content could have a positive effect, but further studies are needed.
Veterinaria
Cryopreservation of Ram Semen in Extenders Containing Soybean Lecithin as Cryoprotectant and Hyaluronic Acid as Antioxidant
info:eu-repo/semantics/article
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URL
https://buleria.unileon.es/bitstream/10612/10757/1/70%20Cryopreservation%20of%20Ram%20Semen%20ReprodDomestAnim_049_0934_2014.pdf
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70 Cryopreservation of Ram Semen ReprodDomestAnim_049_0934_2014.pdf
URL
https://buleria.unileon.es/bitstream/10612/10757/3/70%20Cryopreservation%20of%20Ram%20Semen%20ReprodDomestAnim_049_0934_2014.pdf.txt
File
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70 Cryopreservation of Ram Semen ReprodDomestAnim_049_0934_2014.pdf.txt