Претраживање
Приказ резултата 21-30 од 50
Fleas and flea control / Buve i kontrola buva
(Fakultet veterinarske medicine, Beograd, Srbija, 2002)
Buve kao hematofagne artropode učestvuju u prenošenju nekih bolesti, kao što su bubonska kuga, mišiji tifus, pegavi tifus, zatim tularemije ili mogu da budu prelazni domaćin pojedinih vrsta cestoda za pse i mačke. Zavisno ...
Localization of-monoamine positive structures in the ovary and oviduct of developing rats / Lokalizacija monoaminskih neurotransmitera u jajnicima i jajovodima pacova tokom polnog sazrevanja
(Univerzitet u Beogradu - Fakultet veterinarske medicine, Beograd, 2002)
The aim of this study was to investigate the localization and distribution of sympathetic positive structures in the female gonads and oviducts of 15 30 and 60-day-oldAO rats. Histofluorescence and immunohistochemistry ...
Potential for the spread of Escherichia coli O157, Salmonella, and Campylobacter in the lairage environment at abattoirs
(Int Assoc Food Protection, Des Moines, 2002)
Prevalences of Escherichia coli O157, Salmonella spp., and Campylobacter spp. were examined in 270 swabs taken from selected sites along the unloading-to-slaughter routes of animal movement in lairages of six commercial ...
Enhanced sister-chromatid exchange rate in human lymphocytes exposed to 17 beta estradiol in vitro
(Elsevier Science Inc, New York, 2002)
Background. Epidemiologic data and animal experiments strongly implicate that steroid hormones are involved in the process of malignant transformation due to their capability to stimulate mitotic division and/or elevate ...
Antarctic Air over Southern Midlatitudes Following Vortex Breakdown in 1998
(AGU, 2002)
After breakdown of the Antarctic vortex, ozone-depleted air is transported to southern midlatitudes. Examination of ozonesonde profiles for Lauder, New Zealand, for the month of December 1998, suggests that the 1998 Antarctic ...
Sisymbrium IRIO L (Brassicaceae) - a new ruderal species in flora of Serbia / Sisymbriumirio IRIO L (Brassicaceae) - nova ruderalna vrsta u flori Srbije
(Zavod za zaštitu prirode, Beograd, 2002)
Ruderal plant species Sisymbrium irio L, which was not known for flora of Serbia before, was recorded in Belgrade.
Mechanisms of genotoxic effects of hormones / Mehanizmi genotoksičnih efekata hormona
(Društvo genetičara Srbije, Beograd, 2002)
A concept that compounds commonly present in biological systems lack genotoxic and mutagenic activities is generally in use, hence a low number of endogenous substances have ever been tested to mutagenicity. Epidemiological ...
Cryptosporidium infection in weaners, bull calves and postparturient cows in the Belgrade area / Infekcija kriptosporidijama kod zalučene teladi, junadi i krava posle porođaja na području Beograda
(Univerzitet u Beogradu - Fakultet veterinarske medicine, Beograd, 2002)
This is the first study reporting on Cryptospohdium infection in weaners bull calves and postparturient cows in Yugoslavia. The investigation was done on asymptomatic animals. The infection was diagnosed according to the ...
Ascaridosis - permanent problem of intensive swine production / Askaridoza - stalno prisutan problem intenzivne svinjarske proizvodnje
(Institut PKB Agroekonomik, Padinska skela, 2002)
Ascaridosis presence mast frequent, and most important, with global distribution with prevalence, dependent of bruding condition, were 5-95%. Chronical development of diseases induce permanent lasses at swine production ...
Investigations of hygienic behaviour and disease resistance in organic beekeeping of two honeybee ecogeographic varieties from Serbia / Istraživanja higijenskog ponašanja i otpornosti na bolesti kod dva ekogeografska varijeteta medonosnie pčele
(Univerzitet u Beogradu - Fakultet veterinarske medicine, Beograd, 2002)
Hygienic behaviour of the carniolan honeybee (Apis mellifera carnica Pollm) was investigated in 20 localities in Serbia (10 localities from the Machva region and 10 localities from the Rudnik region). The results revealed ...