Thanks for the replies and naming tips. Hes much stronger now and his windswept hind limbs have come right and also his front legs (one was contracted the other flaccid).
Mother natures a wonderful thing
Hes the largest foal his dam has produced, by the smallest stallion shes been covered by We have come up with Quisical and Quiz Night for names so far (his dams by Night Shift).
His owner came to see him yesterday and is thrilled with him.