Vielleicht hierher?
http://www.askoxford.com/concise_oed/mast_2?v...mast2
• noun the fruit of beech and other forest trees, especially as food for pigs
http://www.merriam-webster.com/dictionary/mastMain Entry: 3mast
Function: noun
Etymology: Middle English, from Old English mæst; akin to Old High German mast food, mast, and probably to Old English mete food — more at meat
Date: before 12th century
: nuts (as acorns) accumulated on the forest floor and often serving as food for animals
http://www.ces.ncsu.edu/nreos/forest/woodland...MAST - Fruits or nuts used as a food source by wildlife. Soft mast include most fruits with fleshy coverings, such as persimmon, dogwood seed, or black gum seed. Hard mast refers to nuts such as acorns and beech, pecan, and hickory nuts.
Aber weil mir auch "fattening" geläufiger ist, habe ich den Eintrag zu "Schweinemast" ebenfalls verlinkt, die Transferleistung, die Schweine wegzulassen und daraus auf den allgemeinen Begriff zu kommen, habe ich dr.ogen zugetraut ;o)