gehalten

The guard is kept in any weather.

Animals are kept in a species-appropriate manner.

(class-7, strong, transitive) to hold (an object in one's hands)
(class-7, strong, transitive) to stop, to halt, to hold back
(class-7, strong, transitive) to support, to hold up
(class-7, strong, transitive) to keep, to maintain
(class-7, strong, transitive) to keep, to provide for
(class-7, strong, transitive) to keep, to provide for, to stock
(class-7, intransitive, strong) to hold, to remain in one piece, to last (of objects undergoing wear and tear, or fragile constructions)
(class-7, intransitive, strong) to hold, to stick (of glue, knots, fastenings, etc.)
(class-7, intransitive, strong) to stop (especially temporarily, of vehicles)
(class-7, strong, transitive) to take for, to consider
(class-7, reflexive, strong) to consider oneself, to think oneself, to believe
(class-7, reflexive, strong) to adhere to, to follow (rules, the law, etc.)
(class-7, reflexive, strong) to keep, to stay fresh (of food)
(class-7, reflexive, strong) to stay, to manage to keep oneself, to persist (in a position or role when faced with challenges)
(class-7, strong, transitive) expresses a positive or negative opinion (with indefinite expression as a complement, most commonly one of "viel/wenig/nichts")
(class-7, strong, transitive) to give (a presentation, lecture etc.)