Probiotics, either Probios or Goat Prefers brand, Vitamin B complex, and electrolytes. Also a fecal test to determine what worm and/or coccidia bloom they could be experiencing from the stress of being relocated. Your vet or this online lab: MeadowMistLabServices could do the fecal test. What age are the new additions? Has there been a change to their diet? Are you feeding hay?