Beáta Koréneková

• University of Veterinary Medicine in Košice

The objective of this study was to investigate the protective effect of dietary natural sorbent-sodium humate (HuNa) on the prevention of aflatoxin B1 (AFB1) toxicity in the broiler chicken. Seventy-two (72) broiler hybrid Hybro birds were randomly divided into 4 groups: control group (G1) and 3 experimental groups (G2-G4) with addition of HuNa (G2...

Shot hares (Lepus europaeus Pallas) obtained from drive hunts were stored non-eviscerated at +4 °C, and pH measurements were conducted in samples of thigh, shoulder and back muscles (n=9) at day 3, 5, 9 and 15 after killing (directly by spear tip electrode and in watery extract). In addition, lactic acid concentration was determined. Lactic acid co...

Cow lump cheese represents a traditional Slovak cheese. It belongs to fresh types of cheeses. The aim of this study was to test surviving of commercial probiotic strain Lactobacillus rhamnosus GG in cow lump cheese experimentally infected with L. innocua; (listeriae are contaminants) and to check the suitability of GG strain as additive for this pr...

We report the effects of cadmium (Cd) and zinc (Zn) on the quality of Japanese quail's eggs. For this study, 60 birds were divided into 3 groups of 20 subjects each. The animals in group 1 received 4 mg Zn/d, whereas those in group 2 were given a combination of 4 mg Zn/d and 0.12 mg Cd/d. The quails in group 3 were not given any supplements, acting...

Concentration of copper, iron, manganese, zinc and cadmium in liver, kidney, testis and uterus of Apodemus flavicollis in relation to sex and locality were investigated. For analysis of the content of these trace elements an AAS method was used. In the organs of A. flavicollis from the area of power station Nováky almost in all cases higher concent...

The accumulation of cadmium in the liver and kidneys of wild animals (wood mouse, yellow-necked mouse, red deer, brown hare) in comparison with farm and laboratory animals (laboratory mouse, farm brown hare, rabbit, fallow deer and sheep) were analysed. Samples were analysed by the atomic absorption spectrophotometry. The highest levels of cadmium...

Concentration of copper, zinc, iron, cadmium, lead and nickel in the semen of stallions (n = 10) and its relation to spermatozoa quality was investigated. Samples were analyzed on the atomic absorption spectrophotometer (Unicam Solar 939). The analysis of copper in semen showed that the concentration is 0.86 ± 0.10 mg/kg. The zinc concentration is...

The effects of different levels of nitrite and nitrate (1,10, 50 and 100 mg·kg-1 NaNO2 or NaNO3, respectively) on Lactococcus lactis dairy culture were evaluated. Experiments with Lactococcus lactis and a nitrite additive revealed a statistically significant decrease (p ≤ 0.05) in titratable acidity only at higher nitrite concentrations (50 and 100...

Concentrations of copper, zinc, iron, cadmium, lead and nickel in the semen of bulls (n = 200), rams (n = 100), boars (n = 20), stallions (n = 10) and foxes (n = 10) were investigated. Samples were analyzed on the atomic absorption spectrophotometer (Unicam Solar 939). The analysis of copper in semen showed that the co+ncentration is significantly...

In the years 1995 - 1999, biological materials (n = 105) from 35 cows (muscle. heart. liver) were obtained from the area located to the south-west of a metallurgical plant. Samples were analyzed for the presence of Job on the atomic absorption spectrophotometer (Unicam Solar 939). Differences in the concentration of Pb were found. lead was higher i...

This study presents findings on the concentrations of cadmium in food chain and the public health risks associated with consuming of muscle, liver and heart of cattle from polluted area. In the years 1995 - 1999, concentrations of cadmium were analyzed in 35 cows, from an area located 5.5 km to the south-west of a metallurgical plant. Samples have...

A 29-day experiment was carried out using a sorbent of different grain size based on clinoptilolite (natural zeolite and thermically treated zeolite) added to a complete feed mixture for broiler chicks in 0.5% concentration and the following parameters were determined: activity of alkaline phosphatase (ALP) and the weight of broilers. Statistically...

The occurrence of nickel from industrial emissions was determined in biological material of cattle slaughtered on agricultural farms Perin and Cestice in the fallout region of the metallurgical plant (ESIW) Košice. In the period of 1997-1999 a total of 168 samples from 42 heads of cattle (muscle, heart, liver, kidney) were analysed for the presence...

The aim of our study was to observe the contents of nitrates and nitrites during the six stages of manufacture of Edam cheese. Samples were taken of raw milk, of pasteurized milk, of milk with nitrates added, of pressed cheese curd, of whey, of ripening cheese and the final product. The samples were drawn from a commercial operation in cheese facto...

Ten-month-old hybrid Tetra SL laying hens were included in the experiment. The birds were fed a complex feed mixture of HYD-10 as a full-value feed with balanced components of nutrients, vitamins, and trace elements. Feed and water were provided ad libitum, approximately 100 to 120 g/day. Laying hens were divided into 7 groups. The first three grou...

The occurrence of heavy metals was determined in the biological material of cows slaughtered on agricultural farms in the fallout region of the metallurgical plant Košice. In 1996, tissues (n = 96) from 17 cattle (muscle, heart, liver, kidney, ovaries, uterus) were analysed for the presence of Cd, Pb, Cu, Zn, Mn, Fe, and Ni on the atomic absorption...

Katedra zoológie a antropológie, FPV UKF Nitra 1 Katedra fyziológie živočíchov, FBP SPU Nitra 2 Výskumný ústav veterinárnej medicíny, UVL Košice 3 Katedra botaniky a genetiky, FPV UKF Nitra Abstract Contamination of selected parenchyma organs (liver, kidney, testes, epididymides, uterus) of Apodemus flavicollis and Clethrionomys glareolus (Rodentia...

The effects of chronic exposure to cadmium on the levels on the activity of isoenzymes LDH of serum were studied in quail (Caturnix japonica). In the experimental group, cadmium (CdCl 2) in the form of water solution was administered daily in dose 0.12 mg.kg -1 b.w. There was a statistically significant difference only in the activity isoenzyme LDH...