iron

So we've been struggling with lots of parasites in a few of our sheep. The vet confirmed we're dealing with barber pole and tapeworms. We're following his protocol for treating them, which includes giving an iron injection. Well, we've lost three sheep now, all of which had the iron injection...

What is the protocol for treating a pregnant ewe for bottle jaw (thanks to worms) when she's just a few days out from lambing? Is there a wormer that is safe for her and the baby at this stage? Or do we need to wait? What other supportive care can we give her? Vitamin b, iron, supplements? She...