The goat gets left out of every serious conversation about sustainable food, which is a shame, because it does a job no other farm animal will touch.
A cow is a grazer. A sheep is a grazer. Both want grass, on ground that is at least walkable. The goat is a browser, and its tastes run somewhere else entirely:
- It eats scrub, bramble, gorse and thistle, the spiky stuff everything else avoids.
- It strips the woody growth and lower branches that choke a neglected hillside.
- It works terrain too steep, too rough, and too overgrown for cattle or sheep to bother with.
- It thrives on exactly the marginal, reverting, abandoned land that grows nothing anyone wants.
This makes the goat the pioneer of the whole system. Put goats onto a bramble-choked hillside and they browse it back, season by season, until grass can establish again. Once the grass comes, the sheep and cattle can follow. The goat opens ground the others could never use.
And at the end of it you get milk that many people who cannot tolerate cow dairy digest perfectly well, meat that more of the world's population eats than any other, and a cleared hillside that was an impenetrable thicket the year before.
The goat asks for the worst land on the farm and quietly makes it useful. It has been doing humanity's roughest groundwork for ten thousand years, and we still treat it as an afterthought with a comedy reputation.