I did the same thing as kaelah last night.
1st 6hr feeding - all plums
1st feed - plumage will change in 6hrs
2nd,3rd & 4th feed - just said devoured
5th feed - new feathers growing
after 6hrs Result was sylph green

started 2nd 6hr feeding was only valfruit
1st feed - plumage will change in 6hrs
2nd & 3rd feed - just said devoured
4th feed - growing new feathers.
wont see result till I get home will edit post then.