There are countless books and videos available to teach your children about birth in a responsible manner, without sacrificing animals to do so. (yakimahumane.org)
Jews were fulfilling the law the best they could and sacrificed animals for atonement, as laid out in Deuteronomy, to lessen the blow of sin. (religion.blogs.cnn.com)
Hajj is very busy event where about 3 million people in remembrance of prophet Ibrahim (a.k.a. Abraham) and his wife as ordered by God running between 2 mountains, sacrificing animals on 10th day, stoning symbolic satan who tried to deceive Ibrahim. (religion.blogs.cnn.com)