Abstract
This study was carried out to evaluate the financial viability of five supplements made with different sources of oil and protein, to be given to Africanized honeybees for royal jelly production. The study verified whether the investments with colony supplementation give financial returns to beekeepers, increasing profits for the diversification of bee products. In order to evaluate the five supplements, two experimental assays were performed. In each, 20 colonies were distributed randomly in four treatments, with 15 replications per colony. In assay I, the treatments were: linseed oil plus palm oil supplement, linseed oil, palm oil, and control without supplementation. In assay II, isolated soy protein plus brewer’s yeast, isolated soy protein, brewer’s yeast, and control without supplementation were evaluated. The following production financial indicators were determined: net operating income, total cost, profit and benefit-cost ratio. Supplements made with mixtures of linseed oil plus palm oil and isolated soy protein plus beer yeast showed ratios between the obtained profit and the calculated values for indirect production costs of 2.58 and 2.50, respectively, differing from the control (p < 0.05), which indicates it is economically viable to supplement Africanized honey bees in royal jelly production when compared to other treatments and control without supplementation.
Highlights
Introdução Entre os países com potencial para obtenção de grande quantidade de produtos apícolas destaca-se o Brasil, que apresenta características climáticas favoráveis, ampla e variada vegetação silvestre e abelhas africanizadas
A atividade financeira é desejável se a diferença entre as receitas operacionais líquidas e os custos indiretos de produção for positiva, em consequência da venda da geleia real produzida em cada tratamento, por colheita realizada (SANTANA, 2005)
C. Avaliação econômica de um sistema agroflorestal para implantação no município de Avaí no Estado de São Paulo
Summary
As recrias foram constituídas com dois ninhos modelo Langstroth sobrepostos, separados por uma tela excluidora horizontal de rainha. O ninho inferior ficou com dez caixilhos e o superior com nove, distribuídos para manter um espaço central para produção de geleia real e sem acesso direto ao ambiente exterior. Os caixilhos eram mantidos intercalados, com cria operculada, aberta e mel. Este manejo consistiu no remanejamento de quatro a cinco favos com cria do ninho inferior para o superior, para manter neste uma boa quantidade de nutrizes destinadas ao cuidado e à alimentação das larvas transferidas e espaço no núcleo inferior para que a rainha realizasse a postura. 20 recrias foram divididas aleatoriamente em quatro tratamentos.
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