I race mine right through so cant really answer your question but one thing to bare in mind is the best youngsters dont always make the best old birds.
Yes Andy, last week I was the meat in the sandwich.......... this week I was the bottom slice of bread lol Must improve on my trapping.............. end off.
Losses reported down this end too so there's a good chance they clashed with our pigeons coming out of Wetherby. (the majority of our pigeons have NWHU rings on) Will pass the word around 1967.