Ralph and Wynona Passow bought their first camels a decade ago to rid their farm of weeds. The camel herd has grown to more than 30.Lanky legs and neck sprawled too far forward, then too far backward. That black, furry newborn was going to stand and nurse somehow, Passow decided. The mother camel blinked long, dreamy eyelashes and watched carefully as Passow coaxed the big baby to the mother's side. "The females are lovely," Ralph Passow said, watching his wife try to turn the baby toward the patient mother. "But the male camels will kill you." About 30 minutes earlier,...