Roman numerals. pl n the letters used by the Romans for the representation of cardinal numbers, still used occasionally today. The integers are represented by the following letters: I (= 1), V (= 5), X (= 10), L (= 50), C (= 100), D (= 500), and M (= 1000).
It takes 8 to 12 weeks for ducklings to become adults. Rate depends on the breed and the bird itself. Some wil mature faster than others. It takes 8 to 12 weeks for ducklings to become adults. Rate depends on the breed and the bird itself. Some wil mature faster than others. Source: Raising the Home Duck Flock by Dave Holderread.  <i>Source:</i> Raising the Home Duck Flock by Dave Holderread.
The ducklings should start on chick feed (20% protein) for the first 2 weeks, then can switch to a waterfowl starter or starter/grower (15-16% protein) until they are 18 weeks old or so and then switch right over to a regular (16% protein) layer feed-or waterfowl feed if you can find it in your area.