Table 3.

Lithium concentration in spring 2023 of samples from stored food of brood chambers, freshly collected nectar in honey chambers and harvested honey from colonies treated in summer 2022. Each given as mean ± standard deviation for the treatment groups. Numbers of analyzed samples are given in brackets

	Lithium [mg/kg]
Treatment method	Brood chamber	Honey chamber	Honey
A2	5.4 ± 2.4 (n = 9)	0.8 ± 0.7 (n = 6)	0.1 ± 0 (n = 4)
A3	3.1 ± 2.4 (n = 10)	0.2 ± 0.2 (n = 5)	0.2 ± 0.2 (n = 4)