One notable example is the account of King Solomon's inauguration of the First Temple in Jerusalem (1 Kings 8). During this event, an enormous quantity of animals were sacrificed: 22,000 oxen and 120,000 sheep. This specific instance alone accounts for a substantial number of animal sacrifices.
Additionally, there were regular sacrifices prescribed under the Levitical laws. The daily burnt offerings, known as "tamid," involved two male lambs—one in the morning and one in the evening—every day (Exodus 29:38-42). This daily practice, sustained over many centuries, contributed to a substantial number of sacrificed animals.
Leviticus also details various other types of sacrifices, such as sin offerings, guilt offerings, and peace offerings, each requiring specific animals depending on the occasion and the individual offering the sacrifice. While it is difficult to provide an exact figure, it is evident that the total number of animals sacrificed over the entire Old Testament period would be significant.
However, it is important to note that these numbers represent estimates based on the biblical texts, and there may be instances where the actual count could differ. Additionally, there are varying perspectives and interpretations regarding the significance and purpose of these sacrifices within the context of biblical theology.