Full dropper is 1ml = 7mg of CBD per 200mg 30ml size bottle. ... So according to the dropper measurements, it's a full dropper. Medium Dogs 500mg Bottle (35-75lbs) 1/4 ml (a quarter of a dropper) = 4.25 of CBD if you use 500mg 30ml size bottle.
The standard size of a dropper is 1ml, but a lot of companies use 1ml droppers in their packaging which are actually not full droppers. A full dropper is a dropper that is filled to the very top and has a little room to spare.