I had the same with my older dog.
Stop fussing him. Put his food down, if he doesn't eat, take it away. DON'T be tempted to offer again the same day, leave until the following meal time the next day. KEEP doing this, until he realises that you're not giong to fuss him anymore.
Dog's are...
I had my dogs 1 set of Vaccs as pups, and then the Booster at a year, just in case the mother's imunity cancelled out the first jabs. After the 1st year booster, I titre.
Mine don't :p In the heat or when my girl's in season :D
But that's just me being awkward :p
Apart from that, I agree with everyone else, If you know so much, why are asking people for advice ?
Perhaps you should open yr own forum, so you can ask yourself for advice and give the...
Could be a pulled/strained Muscle ! My friend had the same problem a while back and the vet said she probably got cramp and strained her muscle !! She limped around for a while too, although I think most of it was attention seeking lol
Australians aren't Europeans !!!
WE Europeans do crate, but mainly showing people, most pet people don't crate, but that's usually because they don't know any better and never been educated on crates !