Chara.
Get an s/m (small medium) in youth
Black Sex-link is a breed. It is the size it is - a large-size breed. Bantams are small chickens.Think of dogs. A German shepherd is a breed. It CANNOT be the size of a toy poodle. Neither can a Black Sex-link be the size of a banty. Take a Barred Rock Bantam Hen to a Rhode Island Red Bantam to get the Black sex link bantam
Bantam refers to size. If you rooster is small after a year of growth then you'll know.
Egg quantities differ depending on what bantam species lays them but the eggs are much smaller than a standard size chicken. A bantam Silkie will lay well below average when compared to a Rhode Island Red Bantam is reference to size not an individual breed.
The same of any other breed. However, in the US, there are only "bantam" Silkies - but from what I understand, they are more like a cross of size between bantam and large fowl. Apparently, there are only real size differences in Europe between silkies.
A large size should fit best. A medium will probably be too tight and restricting.
If you mean can you breed an Auarcana hen and a Bantam rooster without problems the answer is yes. There are even Bantam Auarcana chickens. Bantam only means a size. There are bantam sizes of many different breeds.
"Banty" is a colloquial term for a bantam chicken, which is a smaller breed of chicken. Banties are known for their small size and often colorful plumage.
170cm tall and around 70kg.
Bantam chickens are another name for miniature chickens. They are typically smaller in size than regular chicken breeds, making them popular choices for backyard poultry enthusiasts.
A bantam chicken is much smaller than a normal chicken and thus easier to keep as a pet. Bantam chickens are also available in brighter, more exotic colors than normal chickens thus making them more desireable for show purposes. See the Related Linksbelow for more information on bantam chickens.