Space out the feeds til it's 3 times, then 2 times, then once a day. Going from 3 to 2, I feed the same amount over the day but split into two, going from two to one, I feed 3/4. Then I gradually reduce the amount in the one feed.
Plums is right about the Heptavac P, at about 6 weeks and again a fortnight later.
Depends what the weather is like by you, no chance of flies in the wind and snow here but if there were, I'd Crovect them too - weigh one so you get the dosage right.