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- Uniwersytet Warmińsko-Mazurski w Olsztynie
Effect of supplementation with copper in different chemical forms on selected physiological blood markers and content of minerals In selected tissues of turkeys
Wydanie: 4 / 2011
Otrzymano: Brak danych
Zaakceptowano: Brak danych
Opublikowano online: 2012-03-12
Scientific research has demonstrated that different compounds containing copper are capable of stimulating body weight gains, improving the health of animals and attaining high production performance without causing excessive accumulation of various chemical compounds in animal tissues. Besides, copper has been reported to exert a positive effect on the immune system, haematological blood markers and the microbiological balance in the gastrointestinal tract of turkeys. The experiment was conducted on 60 BUT-9 line turkeys. The birds were divided into 5 experimental groups. Each group included 12 turkeys kept in cages. The bird were reared for 19 weeks. The first group served as control. Group II received CuS04 added to water in a dose of 10 mg Cu dm-3 H20. Group III was com posed of birds administered a Cu chelate with lysine in a dose of 10 mg Cu dm-3 H20. Group IN received CuS04 in a dose of 20 mg Cu dm-3 H20, whereas group N were given a Cu-lysine supplement in a dose of 20 mg Cu dm-3 H20. The birds were fed commercial complete feed mixes. The copper preparations were added to drinking water since the 3rd week of rearing. The objective of this study has been to determine the effect of Cu supplementation in the organic and inorganic form and in two doses on the health of birds and on accumulation of mi- nerals in their breast muscle and liver. Further analyses involved the determination of haematological and biochemical markers in blood as well as assays of selected minerals in the birds' blood, breast muscle and liver. The analysis of the results indicated that the doses of copper improved the health of the turkeys, as verified by better haematological markers. Statistically significant difference appeared in the group receiving 20 mg Cu dm-3 H20 irrespective of the chemical form in which copper was administered. The study also shows that Cu supplementation has a significant effect on the metabolism of lipids and a nonsignificant impact on the content of mineral elements in the analyzed tissues. It was not until the 20 mg dose of Cu as a chelate had been applied that the accumulation of copper in the turkey's liver was enhanced.
Makarski B., Gortat M. 2011. Effect of supplementation with copper in different chemical forms on selected physiological blood markers and content of minerals In selected tissues of turkeys. J. Elem. 16/4: 591-602, DOI - 10.5601/jelem.2011.16.4.08.
Słowa kluczowe:turkeys, copper, blood haematology and biochemistry, mineral elements in tissues, body weight gains