Penicillin is not always needed after a mare gives birth. Penicillin is a antibiotic used to fight bacterial infections, so unless a equine veterinarian says the mare needs it it would be best not to give it. If the vet gives it the OK then they will give you appropriate instructions.
That depends on what is wrong with the horse, the age and how you are giving the medicine. I use tablets of tetramyicin for cows when my horses have an infection that will not go away. I use the same weight as if it were a cow. That size horse (if memory serves me) was about three tablets (750 mg) a couple of times a day, but watch for colic..
Penicillin can cause issues so you don't give them it for nothing or minor issues.
The foal should receive 5-6 c.c. penicillin (IM)
It's best to follow directions that is mentioned on the bottle. pamphlet or box of the penicillin product you pruchased for your horse. It may say anywhere from several days to a week long.
1 cc per 100lbs of body weight
2cl and a handful of hay
The amount of penicillin and the length of time to give it will vary somewhat with the brand used. It would be best to consult with a equine veterinarian regarding dosage and length of use.
A horse should be given penicillin when a veterinarian determines the horse has a bacterial infection that will respond to the penicillin.
1.0 mil
1cc to 1.5cc for newborn pigs.
First you should have a farrier and veterinarian come out and inspect the hoof for deeper infection. Once this has been done the equine vet will be able to give you exact dosage and time limits on the penicillin.
You should not give horses Penicillin for a cold, as a cold is caused by a virus and Penicillin is an Antibiotic and is not designed to treat a cold. You must let the cold run it's course, just like in a human.
500 mg qid
There are many potential dosages for penicillin for a dog. The dosage varies based upon the condition being treated, the location of the infection and the formulation of the penicillin. If you suspect your dog has a bacterial infection that needs medication, you should take him to your vet for an examination.
There should be accurate dosage instructions one the bottle of penicillin, but in general 100mL per 100 pounds of body weight is the usual dose. Always ask your Equine vet before giving any medications to a horse.
You probably should ask a doctor or a vet.
You would need to ask your vet.
No, penicillin should never ever be given orally.