Diatomaceous Earth: Natural Chicken Mite Treatment. Chicken mites can be difficult pests to combat, their life cycle is difficult to thwart and they thrive in chicken coops. Diatomaceous earth, however, can be used as a natural chicken lice and mite treatment. DE works effectively to exterminate the lice and mites but remains a safe pesticide to have come in close contact with chickens; it targets both full-grown and gestating mites and lice.
in depth knowledge meaning, in depth knowledge definition | English Cobuild dictionary. depth. 1 n-var The depth of something such as a river or hole is the distance downwards from its top surface, or between its upper and lower surfaces. The smaller lake ranges from five to fourteen feet in depth..., The depth of the shaft is 520 yards..., They were detected at depths of more than a kilometre in the sea.
The state or fact of knowing: Humans naturally aspire to knowledge. 2. Familiarity, awareness, or understanding gained through experience or study: has great knowledge of these parts; has only limited knowledge of chemistry. 3. The sum or range of what has been perceived, discovered, or learned: the extraordinary knowledge housed in the library.