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The response of broiler chickens on supplemented diets with Avilamycin (10 mg kg-1) or mannanoligosaccharides 1.0 or 2.0 / 1.0 / 0.5 g kg-1 analysed on basic of performance, carcass quality, number of microorganisms in jejunum and caecum content, was determined. The performance results by antibiotic and mannanoligosaccharides (MOS) supplementation of diets were comparable. Reduced number of intestinal...
Different method for bone quality assay: bone strength and elasticity, fourier transform infrared spectroscopy for estimation of mineral/organic matrix ratio and chemical composition of ash in bones of chickens, were used. Values of estimated indices are in clearly relation to kind of bones. In young chickens, the strength and elasticity parameters were significant lower in femur as in tibia. Presented...
Standard DJ feed mixture for laying hens (ISA Brown) was supplemented with organic or inorganic forms of selenium and zinc. The organic forms consisted Saccharomyces cerevisiae yeast enriched with Se (Y-Se) and Zn (Y-Zn). The inorganic forms were sodium selenite (Na-Se) and zinc oxide (ZnO). The concentrations of elements in the experimental feed were (mg·kg-1): selenium 1.414 (Y-Se) and 1.393 (Na-Se);...
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