What is a key training concern mentioned for the Jug (Pug/Jack Russell Terrier mix)?

Answer

Early socialization is important if the household includes smaller pets due to the JRT's strong prey drive.

The Jug tends to be very energetic, and because the Jack Russell Terrier side brings a strong prey drive, early socialization is important if smaller pets are present.

What is a key training concern mentioned for the Jug (Pug/Jack Russell Terrier mix)?
DogmixbreedCaninepug