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1

Ocena jakości mleka w wybranych gospodarstwach nisko- i wielkotowarowych

100%
Klebaniuk R., Puchala M., Widz J., Kowalczuk-Vasilev E.
Przegląd Hodowlany
|
2016
|
tom 84
|
nr 1
2

Wykorzystanie owiec rasy bergschaf w programie odbudowy i doskonalenia poglowia polskich owiec gorskich i dlugowelnistych

100%
Roborzynski M., Janik A., Widz J.
Przegląd Hodowlany
|
1998
|
tom 66
|
nr 05
25-26
3
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Effect of herbal mixture in beef cattle diets on fattening performance and nutrient digestibility

76%
Klebaniuk R., Bakowski M., Kowalczuk-Vasilev E., Olcha M., Widz J., Zajac M.
Annals of Warsaw University of Life Sciences - SGGW. Animal Science
|
2016
|
tom 55[2]
Effect of herbal mixture in beef cattle diets on fattening performance and nutrient digestibility. The aim of the study was to evaluate the impact of herbal mixtureaddition in beef cattle diet on daily weight gain, feed utilization and the nutrient digestibility. The study was performed on 16 Limousin bulls during the fattening period from 100 kg to 650 kg of body weight. The animals were divided into two groups: a control (C) and experimental (E) group. All experimental bulls received the same daily rations composed of basal feeds and a concentrate mixture. The experimental factor was a certified mixture of dried chopped herbs (the author's own elaboration): Echinacea (Echinacea purpurea Moench.), garlic (Allium sativum L.), thyme (Thymus vulgaris), caraway (Carum carvi), and liquorice(Glycyrrhiza glabra), given additionally to the rations, in the amount of 3% of the predicted daily dry matter intake. During the study, the feed intake, animal weight gain, feed utilization per 1 kg of body weight gain, and nutrient digestibility were determined.The digestibility study was performed with the indicator method using acid-insoluble ash (AIA) as internal indicator. The addition of herbs improved animals’ performance. Higher daily gains in the experimental group of animals (1194 g/day/animal), compared to those fed without the addition of herbs (982 g/day/animal), were found with simultaneous better feed utilization for 1kg of growth (5.01 kg in the experimental group, 5.94 kg in the control group). Higher apparent protein and fat digestibility coefficients were noted in the animals from the experimental group (by 1.3 and 2.5 percentage points, respectively), compared to the control ones. In conclusion at least a 3% addition of herbal mixture containing Echinacea, garlic, thyme, caraway,and liquoricecan be recommended in beef cattle diet in order to improve thefattening performance. The addition of herbs improves animals’ performance. Higher daily gains in the experimental group of animals, with simultaneous better utilization of feed per1 kgof growth, were found.
4

Efektywność stosowania mieszanki ziołowej w żywieniu opasów

64%
Klebaniuk R., Kowalczuk-Vasilev E., Bakowski M., Rocki G., Grela E. R., Kiczorowska B., Matras J., Widz J., Kepka K.
Medycyna Weterynaryjna
|
2017
|
tom 73
|
nr 12
The aim of the study was to evaluate the haematological, biochemical and immunological blood parameters of beef cattle fed diets including a herbal mixture. The study was conducted in a herd of Limousin cattle reared under organic conditions. The study material consisted of 16 selected animals divided into 2 groups: control and experimental (8 animals each). Fattening was conducted from about 100 to about 650 kg body weight. The experimental factor was a certified organic mixture of chopped dried herbs: purple coneflower (Echinacea purpurea Moench.), garlic (Allium sativum L.), thyme (Thymus vulgaris), caraway (Carum carvi), licorice (Glycyrrhiza glabra), fed with a concentrate mixture in an amount of 3% total DM. During the study, at body weights of about 250 and 650 kg, blood samples were taken. In whole blood samples, RBC – red blood cell count, Hb – hemoglobin concentration, Ht – hematocrit and white blood cell count (WBC) and their percentage (leukogram) were determined. The biochemical markers in the plasma were determined by colorimetric methods (TG – triacylglycerols, CHOL – total cholesterol, HDL – high density lipoprotein) and by the kinetic method (enzyme activity: ALT- alanine aminotransferase and AST – aspartate aminotransferase). Immunoglobulin IgG, IgA, and IgM concnetrations in the blood plasma of the animals were determined by the immunoenzymatic (ELISA) method. The results were analyzed statistically with Statistica ver. 13 (StatSoft, 2016), and the significance of differences between the mean values of the tested parameter was determined by the Tukey test (P ≤ 0.05 and P ≤ 0.01). The addition of a mixture of herbs to the diet of fattening cattle caused a positive immunostimulatory effect by modulating the leukocyte count and composition of blood and increasing the concentration of G class immunoglobulin. The herbal mixture used in the experiment demonstrated a hypocholesterolemic effect and enhanced the organism’s defence mechanisms. The addition of the herbal mixture did not adversely affect liver functions, as confirmed by the aspartate and alanine aminotransferase activities.
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