grouping

How do you group your bucks? I assume there would be a yearling, 2yr, and 3yr old pen... Do you mix some age groups with others to help prevent fighting? When is it safe to move a breeder back in with other bucks? Which bucks would you have sharing a common fence, or should they not share a...

Hey just a thought, but I plan on hopefully AIing not this fall but 2010. My question is since i have my chute would it be to my benefit to practice with the CIDRs and the PSMG this fall. What i am thinking is to act like im going to AI but after the second time through the chute instead of...