From time to time I see a problem with determining the bonus from the variety of food, but after the last patch 1.0.10, the standard value (without food) was not "0", but "-2".
https://drive.google.com/drive/folders/1LVSh9H-uxMJUSQ-zqO8xDaPI4j8UALRR?usp=sharing
https://drive.google.com/drive/folders/1LVSh9H-uxMJUSQ-zqO8xDaPI4j8UALRR?usp=sharing