No need to be rude. I was directed by a long time goat owner to use ¼ of a cc. I'm sure you all had a question of this nature at one point in time. You didn't become experienced overnight and I don't expect to either. I am coming to this site for help because I don't have a livestock vet in my area. I'm not trying to play Dr. And I find that remark extremely hurtful. I just want to help this goat. The woman who sold me the goat was very irresponsible and told me it was just a cold and she'd get over it. At least I looked further into it and am trying to help her instead of throwing her in the backyard and letting nature take its course. She weighs 20 lbs. You can try to help me help this goat or you can continue t to waste time by putting me down.
Long time goat owners need to consult veterinarians, too. So you should take everything with a grain of salt, even what you read here, what all of us say. Unless someone spent years in veterinary school, then you're good.
For 20lbs 1/4 of a mL is far too little to even be effective for Procaine Penicillin G. The ramifications of underdosing an antibiotic is bacterial
resistance. There is already a lot of bacterial strains resistant to penicillin.
My veterinarian tells me to use 1 mL per 15lbs of goat twice a day. So 20lb kid would need 1.33 mL given twice each day. Obviously you need to do some rounding on the dose, since syringes don't measure in hundreths of a mL except on 1mL insulin syringes.
Nuflor, excede, or draxxin would be much better medications to acquire. They are far more effective in treating bacterial pneumonias, less resistance to them. But to get them, you need a veterinarian. And I would venture to bet there
is a livestock veterinarian you can consult. To find a livestock vet, if you cannot find one with a google search or in the phone book, call all the normal cat/dog veterinary offices. They know where the other kinds of veterinarians are locally. I find it hard to believe there is no livestock vet. Perhaps not within a fifteen minute drive, but normally just outside of every city is farmland and with those areas, livestock that need treatment.