'Calves' in the Bible

Not with the blood of goats and calves, but with his own blood he went into the Most Holy Place once for all and secured our eternal redemption.

For after every commandment in the Law had been spoken to all the people by Moses, he took the blood of calves and goats, together with some water, scarlet wool, and branches of hyssop, and sprinkled the scroll and all the people,