Fascinating Marigold - and what good news if something so simple could make a difference. I've found a bit more:
Tests carried out in three villages in western Ethiopia showed that families that slept beneath a chicken in a cage overnight were mosquito-free in the morning, while homes without indoor poultry were not.
The obvious challenges of sleeping with a bird suspended over the bed were addressed in a follow-up experiment in which villagers were supplied with vials of chicken extract. The results were similar.
The findings, recently published in the medical publication Malaria Journal, will be used in a new collaboration with Swedish scientists to develop an odourless repellent.
“This repellent will be safe for human use, (with) no residues contaminating soil or water or poisoning people and it can easily be integrated into malaria control operations,” Tekie said.
Well, I would move to Africa if I could avoid malaria and the toxic prophylaxis.