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Prikaz rezultata 31-40 od 56
Evolutionary and paleogeographical effects on the distribution of the Triturus cristatus superspecies in the central Balkans
(Brill Academic Publishers, 1997)
A synthesis of all known data on the crested newt group assigns the Balkan peninsula as the center of origin or, at least, the area where the basic lineage of its species was limited in the late Miocene. According to the ...
Examination of the immunogenicity of experimental subunit vaccine against newcastle disease virus
(Univerzitet u Beogradu - Fakultet veterinarske medicine, Beograd, 1996)
The of immunogenicity of the experimental subunit vaccine against Newcastle Disease virus was studied in a biological assay on 180, Issa Brown chickens, (80 chickens of 21 days old, and 100 chickens of 11 days old) and 50 ...
Cytogenetic changes in bone marrow cells of wistar rats induced by levamisole hydrochloride
(Univerzitet u Beogradu - Fakultet veterinarske medicine, Beograd, 1998)
"Levamisol" is an antiparasitic drug produced by ICN-Galenika (Yugoslavia). This anthelmintic was cytogenetically analyzed in vivo in an experiment on three groups of Wistar rats. The control group of rats was treated with ...
Genotoxicity of the anticoccidial agent salinomycin
(Univerzitet u Beogradu - Fakultet veterinarske medicine, Beograd, 1998)
This report presents an analysis of genotoxic effects of the ionophoric antibiotic salinomycin commonly used in the control of coccidiosis. Mutagenic properties were determined, after application of increasing doses to ...
Activity variations and concentration factors for natural radionuclides in a “soil-plant-honey” system
(Elsevier, 1996)
The activity of natural radionuclides (226Ra, 238U, 235U, 232Th, and 40K) was measured in soils, meadow flowers, and honey from a mountain region in West Serbia. No statistically significant differences in the contents of ...
Thyroid gland function in the belgrade laboratory (b/b) rat
(Univerzitet u Beogradu - Fakultet veterinarske medicine, Beograd, 1997)
The Belgrade laboratory (b/b) rat has a unique hereditary defect in iron metabolism, that induces profound anemia and hypoxia. Serum thyroid hormone levels in anemic b/b rats and non-anemic controls (+/+) were investigated ...
Plasma thyroxine and triiodothyronine levels after induction and synchronization of estrus in the anoestrous season in ewes
(Univerzitet u Beogradu - Fakultet veterinarske medicine, Beograd, 1997)
The thyroid hormonal status of ewes after induction and synchronization of estrus in the anoestrous season was investigated by determination of plasma triiodorthyronine (T 3 ) and thyroxine (T 4 ) concentrations using ...
Follicular development and atresia in the ovaries of thyroxine treated juvenile rats
(Univerzitet u Beogradu - Fakultet veterinarske medicine, Beograd, 1997)
The effect of early hyperthyroidism on folliculogenesis in the ovary of juvenile rats was investigated. Hyperthyroidism was induced by injection of 150 μg DL-thyroxine (DL-T 4 ) to females every other day, from the 9 th ...
Genotoxicity and potential chemosterilant effects of Rosol
(Univerzitet u Beogradu - Fakultet veterinarske medicine, Beograd, 1997)
Rosol is an anticoagulant rodenticide which, according to the specification of its producer (VZ-Zemun), contains 0.5 g of warfarin-sodium in 100 mililiters of solution. Its cytogenetical effects on bone marrow mitotic cells ...
A study of selenium genotoxicity in the micronucleus test on mice
(Univerzitet u Beogradu - Fakultet veterinarske medicine, Beograd, 1996)
Genotoxicological characterization of sodium selenite in the micronucleus test on BALB/c mice showed that a very small dose (0.2 mg/kg body weight), as well as higher doses (2.0 and 10.0 mg/kg body weight), applied ...