Yes you can do both. Ivomec will work for stongyle but not the tape worm. You can get Equamax for horses which treat both. Dose is 3 x the horse dose...so if the girls weigh 50 pounds..dose as if 150 pounds.
Be sure to follow corid instructions in the medicine file here on TGS.
Be sure to follow corid instructions in the medicine file here on TGS.