There have been many attempts to take advantage of cow manure using anaerobic digestion to produce methane. At small scale it can be done sort of economically but at industrial scale it's a nightmare.
The best thing IMHO is to haul liquefied manure in tankers to spread on fields as a terrific fertilizer. I'll bet there are a lot of happy cotton farmers with irrigated fields in that county. Bigger yields and faster growing.
Better that than the cheap fish fertilizer they’re now using on tomatoes. Tomatoes are tasting like rotten fish these days and end up in the garbage can.