title: Tick-host relationships. 1. The existence of a circadian rhythm of "drop-off" of engorged ticks from their hosts.
mesh_terms: D000818:Animals; D002645:Chickens; D002940:Circadian Rhythm; D004463:Ecology; D004781:Environmental Exposure; D005260:Female; D005849:Gerbillinae; D008027:Light; D013987:Ticks / Q000502:physiology*