don't know about uk law .i am going to look it up. yes a caponized bird will grow quickly and be very tender also because of fat the bird will be self basting in the oven. as far as anaesthetic i am not sue i will look into that.
the welsummer breed is a great bird. i just added some to my...
i see that you are in the country part of england. i see no one has mentioned caponizing. the rooster will not crow and you can bring them to slaughter weight faster. they will also be tender. if you dig around someone will show you how. if i was near you i would take them all.