Abstract This study investigates the impact of bee pollen nutrition on the royal jelly production of honey bees (Apis mellifera). Results demonstrate that pollen diet significantly impacts hypopharyngeal gland (HPG) development and the expression of genes associated with royal jelly biosynthesis. Bees fed Brassica napus pollen exhibited superior HPG development. and increased mrjp1 ex... https://chefesquipmenters.shop/product-category/dry-food-dispensers/