EFFECTS OF DIETARY CHROMIUM ON GROWTH PERFORMANCE OF GROWING QUAILS
The article presents the results of an analysis of the literature on rationing of chromium in the practice of feeding poultry and study the effectiveness of using chromium chloride (CrCl3 • 6 H2O) as a chromium source when feeding growing quails.
The optimum level of chromium in mixed fodder for young quail breed Pharaoh. Studied food intake and body weight quail 1–35–day–old, depending on the chromium content in complete feed.
The study was conducted in conditions of bad research laboratory feed additives National University of Life and Environmental Sciences of Ukraine. A total of 500 quails were allocated to 5 treatment groups (supplementation with 0, 0.5, 1.0, 1.5 or 2.0 mg of Cr in 1 kg mixed fodder) in a completely randomized design.
It is studied body weight parameters of quails depending on levels of Chromium in mixed fodders. It was established that the additional inclusion of a Chromium salt with a content of 1.0 mg/kg feed in mixed fodder for quail increases the body weight by 2.5 %. The dependence between the expenses of forage and Chromium content of the mixed fodder that described a polynomial curve with a fairly high coefficient of reliability of approximation (R2 = 0,9781). Feeding of mixed fodder with optional inclusion of 2.0 mg/g of Chromium had a negative effect on the productivity of quails.
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