N.P. Poljakova, T.I. Bokova
Novosibirsk State Agrarian University, Novosibirsk, ul. Dobrolyubova, 160, Novosibirsk, 630039, Russian Federation
Summary. The aim of the study was to explore the possibility of joint use of vitamins C and E, as well as their optimal ratio, to produce environmentally safe poultry products and to achieve the best effect in order to reduce the content of heavy metals (HM) in the organs and tissues of broiler chickens. The studies were conducted in 2010-2015 at the premises of the Educational Center “Ptitsevod” of Novosibirsk State Agrarian University on broiler chickens ISA cross into the six groups of peers, with 20 heads in each group. The duration of the experiment was 38 days. Birds from the control group were fed by the basic diet (BD); birds from the test groups received additionally HM salts (lead, 50 mg and cadmium, 5 mg per 1 kg of feed) from the first to the tenth day. After the abolition of HM additive, the first experimental group received only the BD, the second to fifth test groups – BD and vitamins C and E in various ratios. HM content in the tissues and organs of broilers was determined by inversive amperometry. The background content of lead was 0.010-0.057 mg/kg (maximum permissible concentration is 0.5 mg/kg), of cadmium – 0.0011-0.0083 mg/kg (maximum permissible concentration is 0.05 mg/kg). In the short-term exposition of poultry to HM salts a significant increase in the lead and cadmium content in the organs and tissues of chickens was observed: 2.4-9.5 and 2.0-27.0 times, respectively. The least concentration of lead was registered in pectoral, femoral, and cardiac muscles, of cadmium – in pectoral, femoral, and cardiac muscles and bone tissue. The use of vitamin supplements resulted in a reduction of lead content 2.0-15.1 times, cadmium – 1.7-15.3 times in 28 days. The most efficient were the ratio of 100 mg of vitamin C and 100 mg of vitamin E per 1 kg of feed. To produce safe poultry products it is possible to use vitamins C and E additionally to BD.
Keywords: heavy metals, lead, cadmium, vitamin C, vitamin E, accumulation, detoxification, broiler chickens.
Author Details: N.P. Poljakova, assoc. prof. (e-mail: Этот адрес электронной почты защищён от спам-ботов. У вас должен быть включен JavaScript для просмотра.); T.I. Bokova, D. Sc. (Biol.), prof.
For citation: Poljakova N.P., Bokova T.I. Using Vitamin Preparations as Detoxifiers at High Content of Heavy Metals in Poultry Diets. Dostizheniya nauki i tekhniki APK. 2016. V. 30. No. 9. Pp. 99-101 (in Russ.).