good vets are getting scarcer than hens teeth.you have two choices here,take him to the vet ,leave him, and spend more money than any four healthy ones will make you, or put him in the freezer. let this be learning experience,you can give that calf a shot as well as any vet, you can buy all the equipment AND the medicine for your whole herd ( AND YOU SHOULD GIVE YOUR WHOLE HERD A SHOT TODAY,RIGHT NOW, BEFORE YOU DO ANYTHING ELSE,) for the cost of one trip to your vet. if that calfs sick,if any calfs sick,thats been with your other animals they all need doctoring. one five dollar shot can save you all the money you will make in a year. IF your so called vet didnt tell you this, your wasting time and money with him. my advice keep him as far from other animals as you can, dont put him in a barn where other animals go. if hes down either do whatever you have to to get him up,or roll him over every day. you dont cure pnemonia with one shot, you wasted money giving him shots to eat, if hes down he shouldnt eat much,it makes it worse. everything youve done has just cost you money and done no good. youve got a choice, dr him your self (just like you would a kid with a cold), or leave him at the vet and pay him too. I dont mean to sound cold or be hard on you, but a vet should be your last resort quite honestly, if your going to raise animals your going to lose one sometimes. and if your going to raise animals youll never make a dime paying a vet all your profits. vets dont make house calls anymore for one simple reason,all the info available on animals is readily available to everyone as well as the equipment to use it. they have lots at their offices because thats where your calf should be ,as far from your other cattle as possible.