GT butchery knives and knives don't act as Farmer's Delight knives (this is especially important since FD knives are apparently disabled, except the ones added by Delightful)

[Ghostipedia]

Butchery Knives have been disabled - All Functionality of Occultism/Farmers Delight/Nethers Delight knives have been moved to GTCEU:MATERIAL_KNIFE