Not strictly speaking, no. Dogs who were not left in February were excluded from the analysis. So, whilst there are 0 of them, that’s because of methodological choice not because there weren’t any dogs left alone. A note explaining this has been added to the figure legend.
Line 96-97- some more detail on the findings of these various surveys would be beneficial similarly to Bowen's study, just so provide a clear background/discussion of literature setting scene for your study.