Loss of appetite
Dogs have a reputation for eating anything and everything, but some can actually be quite fussy. The first thing is to consult your vet, as going off his or her food can be the first signs of illness. However, if illness has been excluded, don't start to teach bad habits. Even if you find it hard to resist those big, begging eyes, fussy eating is a problem that needs to be addressed - for the good of you both.