You can check out your original thread here - Frisocrem and Nan Ha
1) If he was intro-ed to Frisocrem within the past three days, then best you feed for one more then and then start HT tomorrow and the day after tomorrow for another four days.
2) For regular consumption, opt for Fuji or Gala as it is sweeter than other breeds. Avoid Granny Smith as it is sour and meant more for tarts and pies.
3) I never gave avocado with milk and I think that's a matter of personal preference.