I assume you are asking how long since this chicken has benn prepared, and not how old a living chicken is.
¿Cuánto tiempo ha estado aquí este pollo?, or "How long has this chicken been here?"
Online translators will probably return "¿Cuántos años tiene este pollo?", which is how you would ask someone how old they are.
chicken means el pollo in spanish.
Pollo is Spanish for chicken.
Gallina Chicken in Spanish is already female.
You can say "muslo de pollo".
pollo frito
pollo ablador
pollo caja
Me fascina el pollo. In Spanish we don't say: "Te amo pollo".
Ejecución de pollo
It means "Pollo gratis"
barbacoa de pollo
Pollo al horno.