http://www.midwiferytoday.com/articles/saferbirthinabarn.asp

Ironic, isn’t it? The protocols in the world of animal husbandry to protect an offspring at the time of birth—no strangers, dimmed lights, freedom of movement, familiar environment, unlimited nourishment, respectful quiet, no disruptions—are done without hesitation because to do otherwise invites “unexplained distress” or sudden demise of the offspring. These thoughtful conditions are the norm, along with careful observation to determine when to use the technological expertise in true emergencies.