I wonder if anyone has heard of this:

> feeding bees with sugar syrup with the addition of citric acid, the level of profitability increases by 0.95%, honey candy with the addition of quail eggs – by 16.43%, and sugar syrup with the addition of a suspension of microalgae "Live Chlorella" – by 18.13% compared to feeding pure sugar syrup.

—Хамід, К. О. (2021). Вплив технологічних прийомів утримання бджіл на їх продуктивність та якість меду [Dissertation by: K. O. Hamid (2021) The influence of technological methods of keeping bees on their productivity and honey quality. Original in Ukrainian]

The reference is to a suspension "Chlorella Vulgaris" algae. I thought the part about quail eggs was particularly interesting.

see also:
Neskubo, P. M., Krakhotin, N. F., & Rogov, V. A. (1976). Chlorella for feeding bees.
Eremia, N., Bahcivanji, M., & Zagareanu, A. (2013). Study of influence of algal" Chlorella Vulgaris" suspension on growth and productivity of bees families.

PLB

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