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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
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
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
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
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
Abstract

In Bulgaria no experiments have been conducted to study the response rate of local breeds to the "ram effect". The aim of the present study was to compare the degree of synchronization of oestrus by using the "ram effect" in some of the widely distributed sheep breeds in Bulgaria. For this purpose...

Author(s)
Nedelkov, K.; Todorov, N.; Girginov, D.; Simeonov, M.
Publisher
Agricultural Academy - Bulgaria, Sofia, Bulgaria
Citation
Bulgarian Journal of Agricultural Science, 2015, 21, 1, pp 189-192
AbstractFull Text

The aim of the present study was to determine the reproductive response of buffaloes with ovarian inactivity of Bulgarian Murrha breed, after use of PRID Delta based therapy in non breeding season. The study was carried out on 45 Bulgarian Murrha buffaloes without detected clinical estrus from...

Author(s)
Atanasov, A.
Publisher
Lesotekhnicheski Universitet, Sofia, Bulgaria
Citation
Sbornik Dokladi ot Nauchnata Konferentsiya: Traditsii i S'vrenmennost v'v Veterinarnata Meditsina, 2013, 2013, pp 109-118
AbstractFull Text

The purpose of present study was to determine the possibility and degree of synchronization of estrus by the "ram effect" in West Balkan Mountain sheep breed. An experiment has been carried out for three years and covers a total of 902 ewes aged 18 months to 6 years old. In each flock of 150-180...

Author(s)
Nedelkov, K.; Todorov, N.; Kolev, A.; Marinkov, T.
Publisher
Faculty of Agriculture, Trakia University, Stara Zagora, Bulgaria
Citation
Agricultural Science and Technology, 2011, 3, 1, pp 13-20
AbstractFull Text

Author(s)
Nedelkov, K. V.; Todorov, N. A.; Girginov, D. G.; Simeonov, M. S.
Publisher
Namık Kemal Üniversitesi, Tekirdag, Turkey
Citation
VIth International Balkan Animal Conference, BALNIMALCON 2013, Abstract Book, 3-5 October 2013, Tekirdag, Turkey, 2013, pp 273
AbstractFull Text

A case of hydrometra in a Blackhead Pleven sheep following oestrus synchronization and artificial insemination in the anoestral season is detected. The causes of the disease are discussed, the clinical signs and the echographic findings are described. The haematological, blood biochemical...

Author(s)
Yotov, S.; Dimitrov, D.; Fasulkov, I.
Publisher
Veterinarska Fakulteta, Univerza v Ljubljani, Ljubljana, Slovenia
Citation
Slovenian Veterinary Research, 2009, 46, 4, pp 143-147

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