Start with the left side of the goat
A goat's rumen occupies the left side of the abdomen, so that is where bloat shows first. In a bloated goat the left flank, high up just behind the ribs, swells outward and upward until it can sit higher than the spine, and the normal soft hollow of the flank disappears. Press or flick the area gently and it feels tight like a drum rather than soft and doughy, and a healthy rumen's slow, rolling contractions — which you can normally feel or hear — become weak or stop altogether. A goat that has simply eaten well looks full low and wide; a bloating goat looks inflated high and tight on the left, and that difference is the one to learn before you ever need it.
The behavior that goes with it
Bloat hurts, and goats show it plainly. Early on you may see restlessness: the goat gets up and down repeatedly, paws, stretches, kicks at her belly or keeps turning her head toward her left side. Teeth grinding, groaning, drooling, and a loss of interest in feed or cud-chewing are common as pressure builds. Some goats urinate or pass small amounts of droppings frequently, strain as if trying to do more, or stand with legs splayed and head lowered. A goat that was greedy at the feeder an hour ago and is now standing apart, silent and uncomfortable, is telling you something has gone wrong in the rumen.
When bloat becomes an emergency
Bloat is dangerous because the expanding rumen presses on the diaphragm and the large blood vessels of the abdomen. The emergency signs follow from that pressure: breathing becomes fast, shallow or open-mouthed, the goat staggers or stumbles, the membranes of the mouth look pale or bluish, and in the worst cases the goat goes down and cannot rise. Frothy bloat — often after rich pasture or an overload of grain — and bloat caused by a blocked gullet can both progress quickly, and neither waits politely for morning. If you see breathing difficulty, weakness or collapse, or the left side tightening by the minute, call your vet immediately and describe exactly those signs; this is a situation where experienced hands and proper equipment matter more than home experimentation, and a goat can be lost while well-meaning first aid is attempted.
The story behind it, noted for next time
Once the crisis is over — or while you wait for the vet — piece together what changed: a gate left open to the grain store, a sudden move onto lush spring pasture, a new feed introduced without a gradual transition, or a goat that bolted something she should not have. That history guides the vet's questions and your own prevention, because bloat tends to follow abrupt feed changes and greedy access to rich feed. Record the episode, the suspected trigger and the outcome in KinsLe's Pet Passport alongside your vet's number, so the next keeper or vet who deals with this goat starts with her full story rather than a blank page.