I had a Drecko ranch, room size 96, has 3 glossy dreckos in it, they used to eat the mealwook growing in it, but they (all 3) started "Starving" over a cycle ago, and all 8 of the mealwood plants in the room are fully grown.
Steps to Reproduce
Built a full sized ranch room with 8 mealwood plants, used to have regular dreckos but when got the few glossy, pulled the regular ones out, the glossy have been in there for a long time and were eating the mealwood fine. But just out of no where stopped eating it.
This issue has been fixed in either a future version or updated in a previous version.