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AbstractFull Text

The addition of prostaglandin F2α (PGF2α) to boar semen prior to insemination improves the conception and farrowing rates in sows. It is accepted that this is due to increased myometrial contractility, which improves the spermatozoa movement. However, there are limited data about the effect of the...

Author(s)
Chervenkov, M.; Ivanova, T.; Taushanova, P.; Stefanov, R.; Georgiev, B.
Publisher
Faculty of Veterinary Medicine, University of Ss Cyril and Methodius, Skopje, Republic of Macedonia
Citation
Macedonian Veterinary Review, 2017, 40, 2, pp 125-129
Abstract

The aim of this study was the investigation of the breeding season effect on the kinematic and main spermatological parameters of the rams from Synthetic Population Bulgarian Milk sheep breed (SPBM), new Bulgarian breed certificated in 2005. The experiment was carried out with seven rams. Two...

Author(s)
Abadjieva, D.; Chervenkov, M.; Stefanov, R.; Metodiev, N.; Kistanova, E.; Kacheva, D.; Raycheva, E.
Publisher
Agricultural Academy - Bulgaria, Sofia, Bulgaria
Citation
Bulgarian Journal of Agricultural Science, 2014, 20, 4, pp 967-972
Abstract

Transition metal ions, mainly iron, are involved in the generation of highly reactive hydroxyl radicals, which are the most powerful inducers of oxidative damage to all biomolecules. The lipids in sperm membranes are highly susceptible to oxidation. Sperm lipid peroxidation (LPO) leads to decrease...

Author(s)
Nenkova, G.; Stefanov, R.; Chervenkov, M.; Alexandrova, A.
Publisher
Wiley-Blackwell, Copenhagen, Denmark
Citation
Cell Biochemistry and Function, 2016, 34, 6, pp 423-428
AbstractFull Text

The aim of this study was to determine the relationship between semen lactate dehydrogenase isoenzyme X (LDH-X) and gamma-glutamyl transferase (GGT) enzyme activities and sperm motility in boar ejaculates, stored at 15°C for 72 h. Ejaculates were obtained from clinically healthy boars from Danube...

Author(s)
Stefanov, R.; Abadjieva, D.; Chervenkov, M.; Kistanova, E.; Kacheva, D.; Taushanova, P.; Georgiev, B.
Publisher
Faculty of Veterinary Medicine, Trakia University, Stara Zagora, Bulgaria
Citation
Bulgarian Journal of Veterinary Medicine, 2013, 16, 4, pp 237-242
AbstractFull Text

The growing interest in the populations of spermatozoa, present in the different sperm fractions, demands further research regarding the methods of semen collection and their practical application. The aim of this study is to define the differences in the motility and morphology of fractionaly...

Author(s)
Gradinarska, D.; Ivanova-Kicheva, M.; Daskalova, D.; Lazov, K.; Chervenkov, M.
Publisher
Research Institute of Mountain Stockbreeding and Agriculture, Troyan, Bulgaria
Citation
Journal of Mountain Agriculture on the Balkans, 2015, 18, 3, pp 412-425