Abstract: An information provision device includes a processor configured to acquire a first variation amount of an amount of excrement and a second variation amount of a body weight in a pet, estimate a medical condition of the pet, based on the acquired first variation amount and the acquired second variation amount, and output provided information including the estimated medical condition.

Abstract: The present invention relates to an animal toilet usage status management system, which is an animal toilet usage status management system including an animal toilet and a management server, wherein the animal toilet has a hole penetrating in the vertical direction at the bottom of the formed upper container, a lower container that receives urine passing through the hole, and a weight measuring unit that measures the weight of the upper container, the management server including a calculating part configured to calculate animal body weight and excretion information based on the measured weight transition change of the upper container.

Abstract: A cat toilet, etc., which specifies precisely one cat who entered a toilet for cat is provided. The present invention relates to a camera for capturing a plurality of images of a cat entering a cat toilet, a cat identifying process for identifying identifiers of one cat appearing in a plurality of images based on a plurality of images captured by the camera section, the cat identification processing section extracts each feature amount from a plurality of images, determines the identifier of one cat as the identification result for each image based on the feature amount, and makes a majority decision of the identification result based on this, identifiers of one cat appearing in a plurality of images are specified.

Abstract: The present invention relates to an animal toilet usage status management system, which is an animal toilet usage status management system including an animal toilet and a management server, wherein the animal toilet has a hole penetrating in the vertical direction at the bottom. The formed upper container, a lower container that receives urine passing through the hole, and a weight measuring unit that measures the weight of the upper container, the management server including a calculating part configured to calculate animal body weight and excretion information based on the measured weight transition change of the upper container.

Abstract: A cat toilet, etc., which specifies precisely one cat who entered a toilet for cat is provided. The present invention relates to a camera for capturing a plurality of images of a cat entering a cat toilet, a cat identifying process for identifying identifiers of one cat appearing in a plurality of images based on a plurality of images captured by the camera section, the cat identification processing section extracts each feature amount from a plurality of images, determines the identifier of one cat as the identification result for each image based on the feature amount, and makes a majority decision of the identification result based on this, identifiers of one cat appearing in a plurality of images are specified.