Sheep
sheep
Mice are a problem in lambing sheds, but as mice hate peppermint grow some around the sheds as a border. When washing the pens down use as a final rinse a gallon of water to which 5 drops of peppermint oil have been added. You can also drop neat peppermint oil onto the straw, all around the edges of the pen. The peppermint seems to relax the mothers and makes the pen a pleasant place to be in. After, birth, give the sheep a drink made by adding 1 drop of yarrow oil to a liter of boiling water and allowing it to cool.
Reference: The Fragrant Pharmacy: V A Worwood