Apologies if this has been mentioned (I haven't checked the whole thread) but my previous dog, who had a jippy tum as a pup, used to vomit regularly. My Mum suggested increasing the amount of food he was being fed and it really seemed to help settle things down, especially with the early morning vomiting, which was quite frequent.

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Not sure if this has been said sorry not read all of the post the breeder we got our puppy from said to us to put her meals in a kong once a day so it keeps her intrested and she seams to enjoy it

I would agree with the above. My cocker Sonny (now just over a year) is a really fussy eater. I know that he likes the food (was pets at Home as Puppy now Arden granage adult) as one day he will eat it and the next just turn his nose up. I now put his dry food in a Kong treat ball (only likes the kong one for some reason) and 9 times out of 10 he will eat it out of this. He also gets Natures Diet wet food and usually eats this but sometimes leaves it as well.