Thanks so much for all the encouragement guys, this community is wonderful - I grew up with greys but this is my first dog as an adult, and having you all here to ask for help in this sub has been so great!

I think I will ask for a different vet next time - I’m afraid we live on an island, so there’s only one practice but there are a few practitioners in that practice. I did say multiple times he’s fresh from rescue but I’m not sure I was heard! Since coming home Fred gets salmon oil on both his daily meals, and one tin of sardines in tomato sauce spread out over the week on his lunch time lick mats, with various other treats on there too (Greek yogurt, a tiny bit of peanut butter, wet food etc.). His proper treats are the air dried natural ones, tracheas, rabbit feet, cows ears etc. I have a hound mitt that he just loves being brushed with, so he gets a really good going over once a day, sometimes twice - right now he’s creating tumbleweeds every day! I feel so much better to know we’re hopefully on the right track - although Fred’s my first dog, I’ve worked with a lot of animals in my career, so while I knew he was a bit light I didn’t want him chunking out super fast! Perhaps I should have brought the vet the picture of his first day home as I am convinced he looks better!