Publications by authors named "J Rostamzadeh"
The purpose of this study, carried out in two experiments, was to investigate the antioxidant effect of in Experiment 1, and trehalose in Experiment 2 in the freezing extender, on the quality of frozen-thawed goat epididymal spermatozoa. Sperm samples were added to based egg-yolk Tris-extender containing experimental treatments. The first experimental treatments included the following: an extender of the control group without additive and extender containing 50, 100, or 150 µg/mL of ethanolic extract (PEE1, PEE2, and PEE3, respectively).
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- The research investigated the population structure and genetic diversity of Iranian native horse breeds (Caspian, Turkmen, and Kurdish) compared to exotic breeds (Arabian, Fell Pony, Akhal-Teke).
- Various statistical methods like PCA and STRUCTURE were employed, showing distinct separations between native and exotic breeds and providing insights into their relationships.
- Key findings included the effective population sizes, the extent of genetic diversity, and lower inbreeding levels in Iranian breeds compared to the exotic ones, highlighting important implications for breeding management strategies.
Epididymal lithiasis, characterized by the formation of stones in the epididymis, has been associated with a decline in fertility in roosters. This study aimed to investigate the reproductive performance, ultrastructural characteristics, and expression of aromatase cytochrome P450 (CYP19) and aquaporin 9 (AQP9) in aged broiler breeder roosters affected by epididymal lithiasis. X-ray analysis confirmed the presence of genital stones in both the epididymis and testicular tissue regions.
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- This study examined the genetic diversity and selection signatures in four indigenous Iranian horse breeds: Caspian, Turkmen, Kurdish, and Persian Arabian, using genomewide genotyping data from 169 horses.
- The research identified distinct phylogeographic clades based on the horses' geographic origins and revealed a range of significant single nucleotide polymorphisms (SNPs) associated with traits like height and adaptability.
- Findings highlighted specific candidate genes, such as HMGA2 and LLPH, linked to height variation, and suggested new candidate genes for selection, offering insights for genetic conservation and breeding strategies.
Litter size is an important economic trait in the goat industry. Previous studies on the bone morphogenetic protein 15 () gene detected some single-nucleotide polymorphisms (SNPs) such as c.963A G that were associated with an increase in ovulation rate and litter size.
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