Want to do manure research via Worm&Co for the first time? Is your horse younger than 3, does your horse have complaints or are you doing manure testing for the first time? Then this is the ideal package to get started. This package is horse bound but has no expiration date. It is important to closely monitor the cycle of the gastrointestinal worms by sending in a manure sample twice, with an interval of 3 weeks, to make a reliable and insightful start with manure research.