Fecha de publicación: 20/09/1999 Fuente: WIPO "apiculture" FIELD: apiculture. SUBSTANCE: bee keeping vehicle has module for supplying heated air into beehive. Temperature in beehive is automatically maintained at predetermined level by heaters. By varying air exchange rate between beehive space and outer atmosphere, moisture and air gas content are regulated. EFFECT: increased efficiency by providing optimized microclimate within beehive. 3 dwg