Instead of trying to remember all the different egg sizes and what they make or combing through your fridges while looking at the app, just read the egg description. It says provides simple nutrition, regular nutrition, exceptional nutrition etc. Which corrosponds with regular kibble, exceptional kibble and so forth.
Hit the HighLands(Scotland) and build a Allo trap. Tame a bunch of low levels (4-5) with the Ovis that spawn there and you’re good to go. They tame fast on mutton and BAM! Allo farm for all your sweet sweet Kibble needs