Absolutely birds on the bottom of pecking order should be considered for cull. Not criteria of multi breed flock but certainly in a single breed flock. If comparing all same breed then yes, the weakest and smallest will be at the bottom rung. These are not traits you want to breed forward. The same would apply in multi generation of a mixed flock. The weakest and smallest will be on bottom rung. Absolutely something to cull for. Strong alert birds is the goal and that should not be confused with aggression. I cull over aggression too.
All sorts of reasons to cull birds, or at least not breed them forward. Longevity of laying life is a great trait to breed from, early point of lay (not too early though) is another. Even if a person breeds to the SOP they should be keeping an eye on these positive traits too. Breed from the best not just the best in show. I breed from faster maturing males too. A lanky bird can overcome the final weight of fast maturing bird by year old but that does nothing for me. We cull and eat cockerels so a meatier carcass on 14 week olds is the goal and will be a better portioned carcass at 7 month roasting age too. What do I care if the lankier males weigh .5-1 lbs more after year old. In life nothing is good to extreme. Really pushed the faster maturing males and earlier point of lay will result in health issues. My flock is so far from those extremes it's never a worry but perhaps my son will carry on.
All sorts of reasons to cull birds, or at least not breed them forward. Longevity of laying life is a great trait to breed from, early point of lay (not too early though) is another. Even if a person breeds to the SOP they should be keeping an eye on these positive traits too. Breed from the best not just the best in show. I breed from faster maturing males too. A lanky bird can overcome the final weight of fast maturing bird by year old but that does nothing for me. We cull and eat cockerels so a meatier carcass on 14 week olds is the goal and will be a better portioned carcass at 7 month roasting age too. What do I care if the lankier males weigh .5-1 lbs more after year old. In life nothing is good to extreme. Really pushed the faster maturing males and earlier point of lay will result in health issues. My flock is so far from those extremes it's never a worry but perhaps my son will carry on.
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