Molecular screening and characterization of shiga toxin-producing escherichia coli by multiplex pcr assays for stx1, stx2, eaea, h7 in raw milk

Autor: Koycho KOEV, Georgi ZHELEV, Plamen MARUTSOV, Krasimira GOSPODINOVA, Vladimir PETROV, Todor STOYANCHEV

Publikováno v: Kafkas Universitesi Veteriner Fakültesi Dergisi, Vol 25, Iss 2, Pp 271-275 (2018)

The presence of Shiga-toxin producing Escherichia coli (STEC) was evaluated in bulk milk from dairy cattle farms in Bulgaria. From 20 regional farms only 4 were selected as a source for milk sampling on the basis of their annual STEC shedding in fece

Externí odkaz: https://doaj.org/article/d5bbaf18e94d4357bc5f578461961066

Dynamics of microbial contamination in a poultry hatchery

Autor: Iliqn Lazarov, Georgi Zhelev, Mihni Lytzkanov, Koycho Koev, Vladimir Petrov

Publikováno v: Archives of Veterinary Medicine, Vol 11, Iss 1 (2018)

The hatcheries may become contaminated with pathogenic bacteria which could spread in the hatchery through the air. That is why the implementation of an effective cleaning and disinfection program and the maintenance of good hygiene are extremely imp

Externí odkaz: https://doaj.org/article/467a1d2466e64abd94ce0320f3bfe54e

Balkan Vegetation Database (BVD) – updated information and current status

Autor: Rossen Tzonev, Borislav Grigorov, Kalina Pachedzieva, Media Gumus, Koycho Koev, Georgi Gogushev, Plamen Glogov, Ivan Minkov, Veronika Kalníková, Mariyana Lyubenova, Rayna Natcheva, Alexandar Tashev, Alexandra Alexandrova, Chavdar Gussev, Nikolay Nikolov, Gana Gecheva, Tijana Ilić, Momchil Nazarov, Kiril Vassilev, Beloslava Genova, Antonina Vitkova, Petar Zhelev, Eva Filipova, Georgi Tinchev, Stephan M. Hennekens, Sofia Kostadinova, Hristo Pedashenko, Anna Gavrilova, Ermin Mašić, Marius Dimitrov, Stoyan Stoyanov, Steffen Boch, Anna Ganeva, Nadezhda Apostolova-Stoyanova, Senka Barudanović, Stoyan Georgiev, Georgi Georgiev, Vladimir Vulchev, Ina Aneva, Todor Karakiev, Ivaylo Nikolov, Illona Knolova, Armin Macanović, Assen Assenov, Nikolay Velev, Veselin V. Shivarov, Katerina Mincheva

Publikováno v: Vegetation Classification and Survey 1 (2020)
Vegetation Classification and Survey (VCS), Vol 1, Iss, Pp 151-153 (2020)
Vegetation Classification and Survey, 1, 151-153

The Balkan Vegetation Database (BVD; GIVD ID: EU-00-019) is a regional database, which was established in 2014. It comprises phytosociological relevés covering various vegetation types from nine countries of the Balkan Peninsula (Albania – 153 rel

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::19ab825b12bcfa9e81a62c18ce38c4fc
https://doi.org/10.3897/vcs/2020/61348

Peculiarities of the reproductive biology of three species of genus Colchicum from Bulgaria

Autor: Koycho Koev, Elina Yankova-Tsvetkova, Stoyan Georgiev, Ivanka Semerdjieva, Boriana Sidjimova

Publikováno v: Caryologia. 71:307-314

This study establishes the peculiarities of the major parameters of reproductive biology (features of the structures and processes in the male and female generative sphere, pollen and seed viabilit...

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0fe9de4b09a4d06a9cbddc98fa906c64
https://doi.org/10.1080/00087114.2018.1469812

Distribution and Resources of the Medicinal Plant Colchicum autumnale L. in Bulgaria

Autor: Ivanka Semerdjieva, Stoyan Georgiev, Koycho Koev, Boriana Sidjimova, Elina Yankova-Tsvetkova

Publikováno v: Ecologia Balkanica, Vol 9, Iss 1, Pp 39-51 (2017)

Colchicum autumnale (Colchicaceae) is a perennial geophyte and a medicinal plant. Its biomass is collected for industrial uses for obtaining the alkaloids colchicine and demecolcine. The objective of the present study was to estimate the distribution

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doajarticles::49e99a24b654b4dbb33939320a340e0b
http://web.uni-plovdiv.bg/mollov/EB/2017_vol9_iss1/039-051_eb.16130.pdf