Evaluation of the Potential Effect of Postbiotics Obtained from Honey Bees against and Their Combination with Other Organic Products.

The mite infests colonies and causes significant harm. Traditional treatments have become less effective because of mite resistance development and can also generate residues inside beehives. This study aimed to gauge the efficacy of a beehive-derived postbiotic in reducing viability and to explore its synergies with organic compounds.

Biomarker responses and lethal dietary doses of tau-fluvalinate and coumaphos in honey bees: Implications for chronic acaricide toxicity.

Evidence suggests that acaricide residues, such as tau-fluvalinate and coumaphos, are very prevalent in honey bee colonies worldwide. However, the endpoints and effects of chronic oral exposure to these compounds remain poorly understood. In this study, we calculated LC and LDD endpoints for coumaphos and tau-fluvalinate, and then evaluated in vivo and in vitro effects on honey bees using different biomarkers.

Evaluating the chronic effect of two varroacides using multiple biomarkers and an integrated biological response index.

There is mounting evidence that acaricides are among the most prevalent medicinal compounds in honey bee hive matrices worldwide. According to OCDE guideline No. 245 chronic lethal concentration of tau-fluvalinate (at concentrations ranging from 77.

Residual Tau-Fluvalinate in Honey Bee Colonies Is Coupled with Evidence for Selection for Resistance to Pyrethroids.

is considered one of the most devastating parasites of the honey bee, , and a major problem for the beekeeping industry. Currently, the main method to control mites is the application of drugs that contain different acaricides as active ingredients. The pyrethroid tau-fluvalinate is one of the acaricides most widely used in beekeeping due to its efficacy and low toxicity to bees.