IF he can swallow well you can soak alfalfa pellets in water and dentch him using a turkey baster to help keep food in him. If he can chew, you can Roll hay into tiny balls and stuff it in his mouth. Tetanus is hard to come back from but keep at it...if you can keep food in him that will help...here is an electrolyte recipe that i good to drench...ad good stuff in it for him...
Keep up the B complex every 4-6 hours...Did you start Penicillin? if not start that too 1 cc per 20# Sub Q...be sure not to get it in a vien..Pull back on the plunger..see blood, re adjust and try again, no blood is good to go...
A half gallon of hot water
2-6 Tablespoons of Unsulphured Blackstrap Molasses
1-2 Tablespoons of Either Sea Salt, Epsom Salt, Baking Soda or Table Salt.
1 cup of Apple Cider Vinegar
Mix well and drench or let them drink it
I fed a goat with polio by rolling tiny balls of hay and sticking it in his mouth..he could not eat on his own...you can visit my web sight and click Dozers story on the Goat drama link...