here is a link on a new Urine Bile acid test that is said to be more accurate than the fasting and blood draw and its more inexpesive and less hard than the wee ones than fasting here is a link i bile acid test all my babies ... the puppies that are smaller in the litter have more likely hood in issues but 45 or 50 dollars quick test know your results in 2 days also if you have had hypoglycemia issues with your puppie thats also a sign
http://www.canine-epilepsy.com/bileacids.html