I .A simple apparatus is described which can be used with the conventional type of experimental rat cage to feed animals automatically.2. Thc apparatus consists of a Perspex cylinder with a segment cut from the base which is covered by an aluminium funnel leading to the €ceding-pot.An eight-bladed paddle-wheel within the cylinder is rotated once each day by an electric motor and food within the compartments of the wheel is transferred gradually to the pot.
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Loveless et al. (1972) studied this question.
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