Yesterday morning I called the vet and they told me they could take her in on the afternoon, but when I came home to take her, she had unfortunately died. I'm going to be contacting that lady because she knew she was sick, but she told me it was nothing. Thanks to everyone who gave me advice. I'll be taking the other to the vet tomorrow to make sure she isn't sick too.
I'm so very sorry, that must have just been heart-breaking.
When you take the other kid to the vet, make certain that kid gets some CDT antitoxin as @cassie suggests.That will confer immediate immunity. Then, talk with the vet about getting her a permanent CDT shot. She will get the first one, then a booster. Then every year after that, she should get the shot. You can get CDT at places like
Tractor Supply. She may also need to be wormed and treated for coccidia.
The person who sold you that kid does not sound like an ethical breeder to me. I am hoping that your remaining kid is not alone now? If she is, consider getting another kid ***from someone else***. Goats do not like being alone, they are herd animals. When they are alone they get nervous and jumpy and don't act happy. They know that the lone goat is the one that gets eaten by the lions or bears. Having another goat gives them someone to chew cud with, hang out and play with.
For the future: ask the breeder how they raise their kids - do they use a coccidia preventive? Do they worm regularly? Has the kid been innoculated with CDT? Take a look at where the kids are. Is it a clean pen, do the rest look good too, is there any of them with diarrhea? People raise goats all different ways, I'm not trying to say there is only one way. But I can say, as a breeder, my kids are bigger, stronger and healthier because I DO use a coccidia preventive to help them develop their own immunity, I DO give vaccinations and I DO worm regularly. I raise my young kids in a clean area and if one had diarrhea, the last thing I would do is sell it to someone!! Best of luck to you with the second kid.