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Abstract

Objective: To determine the pregnancy rate (PR) in goats with natural and synchronized estrus after artificial insemination (AI) by frozen semen during breeding season. Methods: The experiment was carried out with 89 Bulgarian White milk goats divided as follows: group I (n=54) animals with natural ...

Author(s)
Yotov, S. A.; Velislavova, D. V.; Dimova, L. R.
Publisher
Hainan Medical University, Hainan, China
Citation
Asian Pacific Journal of Reproduction, 2016, 5, 2, pp 144-147
Abstract

Buffalo farming has made remarkable progress in productivity mainly because of controlled breeding with artificial insemination (AI) that has proved its worth in breed improvement and breeding managements across the livestock species. Artificial insemination is practiced very little in Europe and...

Author(s)
Inderjeet Singh; Balhara, A. K.
Publisher
Elsevier, New York, USA
Citation
Theriogenology, 2016, 86, 1, pp 194-199
Abstract

Currently, the term syndrome M74 combines all reproductive disorders of hydrobionts (including their gametes, embryos and yolk-sac fry) with similar symptoms caused by xenobiotics transposed in aquatic organisms from polluted environment. Because in Bulgaria there are only few publications on the...

Author(s)
Atanasov, V.; Staykov, Y.; Tzanova, M.; Valkova, E.; Krastev, B.; Dimitrov, Z.
Publisher
Agricultural Academy - Bulgaria, Sofia, Bulgaria
Citation
Bulgarian Journal of Agricultural Science, 2017, 23, 1, pp 147-153
AbstractFull Text

The aim of the present study was to investigate the effect of oestrus induction and timed artificial insemination on conception rates in Bulgarian Murrah buffaloes. Fifteen lactating non-primiparous buffaloes weighing 550-650 kg, fed and reared uniformly, were included in the survey. The animals...

Author(s)
Atanasov, A.; Yotov, S.; Antonov, A.; Kolev, P.
Publisher
Faculty of Veterinary Medicine, Trakia University, Stara Zagora, Bulgaria
Citation
Bulgarian Journal of Veterinary Medicine, 2011, 14, 3, pp 165-170
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
AbstractFull Text

The object of the present study was to investigate small and large lymphocytes trafficking in sheep with low and high hematocrit values following shearing, exposure to moderate altitude and transport to low altitude. Twenty out of 101 Ile de France ewes (1-7 years old) were used in the present...

Author(s)
Moneva, P.; Yanchev, I.; Dyavolova, M.; Gudev, D.
Publisher
Faculty of Agriculture, University of East Sarajevo, Istočno Sarajevo, Bosnia-Herzegovina
Citation
AGROFOR International Journal, 2019, 4, 1, pp 73-81
AbstractFull Text

In practice there are still many problems that slow down the mass application of artificial insemination in beef cattle. One major problem for its application in these animals is related to difficulties in detection of oestrus and determining the favorable time for insemination because of the...

Author(s)
Petrov, P.; Todorova, T.; Todorov, Y.
Publisher
Lesotekhnicheski Universitet, Sofia, Bulgaria
Citation
Sbornik dokladi ot nauchnata konferentsiya: Traditsii i s'vrenmennost v'v veterinarnata meditsina, 2010, 2010, pp 43-46
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 research was to analyze seminal plasma proteins in terms of preservation of sperm plasma membrane and protection of spermatozoa from Bulgarian Murrah Buffalo bulls. Computer-assisted sperm analysis was used to determine the motility and velocity parameters of spermatozoa with proven ...

Author(s)
Ivanova, M.; Kirilova, I.; Gradinarska, D.; Daskalova, D.
Publisher
Research Institute of Mountain Stockbreeding and Agriculture, Troyan, Bulgaria
Citation
Journal of Mountain Agriculture on the Balkans, 2016, 19, 2, pp 9-22
Abstract

The purpose of the studies is to determine the extent of response of Synthetic Population Bulgarian Milk Sheep to the "ram effect" and the possibility of non-hormonal synchronization of fertilization. An experiment has been carried out for four years with three flocks in one farm. Ewes were below...

Author(s)
Todorov, N.; Nedelkov, K.; Kolev, A.; Marinkov, T.
Publisher
Agricultural Academy, Sofia, Bulgaria
Citation
Zhivotnov'dni Nauki, 2011, 48, 3, pp 8-15

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