INFLUENCE OF SOME ORGANIC COORDINATION COMPOUNDS CONTAINING COBALT AND BISMUTH ON DEVELOPMENT MORPHO-PRODUCTIVE CHARACTERS OF THE BEE FAMILIES

Published in Scientific Papers. Series D. Animal Science, Vol. LVIII
Written by Valentina CEBOTARI, Ion BUZU, Ion TODERAŞ, Aurelian GULEA, Olga POSTOLACHI, Valeriu TODERICI, Olesea GLIGA

The aim of the research was to evaluate and test the influence of organic coordination compounds containing rare microelements, on the vital functions and on the development of the morpho-character of Apis mellifera bee colonies. Several experiments where conducted and was tested in feeding bees in spring (April 1 to 21) a period with poor harvest in nature, a nutritious blend of 50% sugar syrup supplement enriched with bioactive organic compound heteronuclear coordinative sulfate [tris-thiosemicarbazide cobalt (III)] [1, 2-diaminociclohexantetraacetat bismuth (III)] hexahydrate - [Co (tios) 3], [Bi (CDTA)] SO4 · 6H2O in aqueous solution with concentration of 1 mg% (hereinafter referred to as "compound + Co + Bi), which was mixed with sugar syrup in a ratio of 2: 100, and was administered directly into the food of bees and bee families where feed with the nutrient in amount of 100 ... 130 ml for every frame with bees, every 2 days for a period of three weeks. Bee colonies were formed into three lots, each lot formed from 16 families, of which: group I - control, which were fed only with sugar syrup 50%, group II - prototype, which where feed with sugar syrup by adding nutritional supplement enriched with patented "Apispir + Fe + It" (MD 477 Z 2012.09.30) and group III - experimental, which received sugar syrup enriched with supplement "compound + Co + Bi". The research results have shown that using energizing nutritional supplements enriched with biologically active substances of organic compounds coordination in bee feeding in times when there is a poor harvest in nature, helps stimulate vital functions of bee families and increase their productivity: the prolificity of queen - with 5.2 to 9.7% (P <0.001); the amount of capped brood - with 5.2 to 9.7% (P <0.001); family strenght- by 2.5 to 9.7% (P <0.1s P <0.001); disease resistance - by 2.4 to 5.0% (P <0.001); brood viability - with 1.2 to 2.2% (P <0,01s (P <0.001); the amount of accumulated bee bread in brood chamber- by 15.0 to 23.3% (P <0.001), an increased amount of wax combs - by 21.4 to 39.3% (P <0.001) and the amount of honey accumulated in the colony - with 13.9 to 25.4% (P <0.01 and P <0.001). The beneficial effect of feeding bees with biologically active nutritional supplements Apispir + Fe + + Co + Se and Bi compound denotes the fact that in the spring (March-April), a period poor in harvesting, in the area studied, in nature there is a shortage of biologically active substances, including rare microelements.

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Cebotari V., Buzu I., Toderaş I., Gulea A., Postolachi O., Toderici V., Gliga O. 2015, INFLUENCE OF SOME ORGANIC COORDINATION COMPOUNDS CONTAINING COBALT AND BISMUTH ON DEVELOPMENT MORPHO-PRODUCTIVE CHARACTERS OF THE BEE FAMILIES. Scientific Papers. Series D. Animal Science, Vol. LVIII, ISSN 2285-5750, 251-258.


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