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It’s difficult to notice when a goat is ill. Many goat illnesses show only subtle signs, but you should know your goats so well that those subtle changes in attitude and behavior will get your attention. The following are common rumen illnesses in goats. If you think your goat may be suffering from one of these illnesses, consult a veterinarian before beginning treatment.
Enterotoxemia can be prevented by annual vaccination and by avoiding abrupt changes in your goat’s diet. Goats at risk to devouring excess grain or nursing kids are at risk and should be vaccinated. Goats kept on dry lots with absolutely no chance of getting excess grain may not need this vaccine.
The normal rumen churns one to four times every minute, and its bacteria produce methane gas continuously. Most of this gas is released as the goat belches. Bloat occurs when the goat is not able to release built-up gas.
Symptoms and Causes
Certain goat diets—especially fresh, green alfalfa—will cause the gas to form tiny bubbles that become trapped in the rumen fluid. This may produce a frothy bloat. The tiny bubbles cannot be released in a natural belch, and the condition progresses rapidly until the rumen is grossly distended and the goat is extremely uncomfortable.
The goat’s rumen will swell, and the goat may kick at its left side while it grunts and slobbers. The goat may continually get up and then lay back down. If not treated promptly, bloat can lead to death. The position of the goat may also cause bloat. If the goat lies on its side, the opening between the rumen and esophagus will be low and the natural gas pocket in the rumen will be above it. The gas is again trapped and the rumen becomes painfully distended.
Treatment is obvious—the gas must be allowed to escape. Position the goat on a steep incline (at least a 45-degree angle) with the front legs higher than the rear. This elevates the opening between the esophagus and the rumen and will often be all that is necessary to relieve a positional bloat.
Mineral oil or milk of magnesia (2 to 3 ounces) will help relieve a frothy bloat by breaking the tiny bubbles to form one large gas pocket, which can be relieved normally. Once the medicine has been administered, massaging the abdomen and walking the goat will help with proper mixing and breakdown of the bubbles. Relief from frothy bloat should be evident within one hour of administration of the medication.
If these treatments do not work, your vet may need to pass a tube into the goat’s stomach to release the pressure in the rumen while giving the medicine a chance to work.
Do not confuse a full rumen with bloat. The rumen lies on the left side of the goat. True bloat will cause a tense, firm swelling in the left flank, and the goat will be in obvious distress. However, some goats will eat a big meal and look bloated, but they are comfortable and can easily belch or bring up a cud, assuring you they’re happy and healthy. To prevent bloat, feed balanced rations and make dietary changes gradually, and prevent goats from overeating.
About the Author: Lorrie Boldrick, DVM, graduated from the University of California-Davis, College of Veterinary Medicine in 1968. She specializes in caprine medicine and raised Pygmy goats for 25 years. She is the author of Pygmy Goats: Veterinary Care and Management.