Sorry for not posting more but I have been very busy. The KK are now 8 weeks old and going great imagine a Barred rock on steroids. Out of 54 I have lost 4 one did not grow, one got hurt my falt and one leg problem and one just died. They are great foragers and are very active eating grass bugs or what ever they weigh about 3-4 pounds now on average. The Rosambro's I got from MT-DI are not as good. 1st ordered 50 and got 50 well really 49 one came dead and they where shipped in a box less than 1/2 the size the KK came in from thier hatchery Nolls. I have lost 5 more due to leg problems and just dieing. they are not as good at foraging as the KK and are two weeks younger, The Rosambros are almost all white in color some have a black feather here or there. They are alot more docile than the KK and more of a coop potatoe. They Roseambro's do seem to have a larger breast area however.