What is a size 10 (or 12) chicken?

[Marsha]

I have a recipe that calls for a size 10 or 12 chicken. It's a tagine recipe - Moroccan, but I suspect was posted originally in French. Does anybody know what size chicken I need?

[goodhealthgourmet]

size 10 = 1 kg (2.2 lbs)
size 12 = 1.25 kg (2.75 lbs)

[Marsha]

Thank you. I'm going with the size 12 - don't know where I'd find a size 10.

[bushwickgirl]

That would be what used to be called a spring chicken in the US, maybe butchered at 2-10 months of age; sometimes referred to as a poussin, although French poussin are smaller.