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.
Crestopher. With the powder-puff of feathers on its head, the Crested Duck is truly striking. It is a medium-weight dual purpose breed. The ducklings grow fairly quickly, making them good birds for the table, and they are good layers.An adult drake weighs about 7 pounds, and his mate about 6.The. The crested gene in these ducks is linked to a lethal condition during incubation. Ducklings carrying both genes (homozygous) for the crest do not survive to hatch.Of those that do hatch, typically 1/3 of them will not have crests.n adult drake weighs about 7 pounds, and his mate about 6. The. The crested gene in these ducks is linked to a lethal condition during incubation. Ducklings carrying both genes (homozygous) for the crest do not survive to hatch.