Available Online: http://www.ejpau.media.pl/volume15/issue1/abs-07.html
EFFECT OF VARIOUS SELENIUM SOURCES ON SELENIUM BIOAVAILABILITY, CHICKEN GROWTH PERFORMANCE, CARCASS CHARACTERISTICS AND MEAT COMPOSITION OF BROILER CHICKENS
Stefania Kinal1, Barbara Król2, Wojciech Tronina3
1 Department of Animal Nutrition and Feed Science, Wroc³aw University of Environmental and Life Sciences, Poland
2 Department of Animal Nutrition and Feed Quality, Wroclaw University of Environmental and Life Sciences, Poland
3 Breeding and Innovating Company Tronina
One hundred and eighty unsexed Isa Vendeta broiler chickens were used to study bioavailability of inorganic (sodium selenite) and organic (selenium enriched yeast) form of selenium. Chickens were fed for 6 wk concentrate mixtures containing 0.36 mg·kg-1 in starter and finisher 0.37 mg·kg-1 in grower. Selenium content in some birds' tissues was used to determine selenium bioavailability from different, applied in experiment, compounds. Se content in legs muscles, kidneys and femurs of birds that received selenium enriched yeast (gr. II) was clearly higher (P≤0.01) than in control group (gr. I). No treatment differences in Se content in breast muscles, liver and blood serum as well as growth performance and results of post-slaughter analysis of broiler chickens were detected during the trial. Dry matter content in breast and legs muscles (P≤0.05), crude fat content (P≤0.01) in breast muscles as well as crude protein content (P≤0.05) in legs muscles were lower in selenium enriched yeast-fed chickens compared to sodium selenite-fed birds. The findings suggest that selenium from enriched yeast applied concentrate mixtures for broiler chicken are better absorbed than their inorganic equivalent – sodium selenite what was confirmed by higher Se level in some birds' tissues.
Key words: broiler chickens, sodium selenite, selenium enriched yeast, selenium bioavailability, meat composition.
Department of Animal Nutrition and Feed Science,
Wroc³aw University of Environmental and Life Sciences, Poland
J. Che³monskiego 38C, 51-630 Wroc³aw, Poland
phone: 71 320 58 29
Department of Animal Nutrition and Feed Quality,
Wroclaw University of Environmental and Life Sciences, Poland
Che³mońskiego 38C, 51-630 Wroc³aw
phone: 071 3205 830
Breeding and Innovating Company Tronina
Raków n. Wroc³aw
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