I raised two roosters from birth, one black australorp, and one easter egger. Here's the story, I brought over 4 cougar hens, the black rooster starting becoming aggresive after being introduced to these older hens at around 6 months of age, the other rooster and other few hens are the same age. He used to let me slightly pet him, but after the day he attacked me for turning my back, he wouldnt let me go near him. He would get into fights with my large dog for no good reason, and attacked my senior chihuahua for no reason, along with attacking me a few times. The thing is, my mom worked outside doing gardening and such around the chickens using shovels and such, this rooster never attacked her once. He almost killed the other rooster when he tried to get with one of the cougar hens. I had to slaughter him. I let the easter egger out (he wouldnt come out into the yard because he was afraid of the rooster, this black rooster would also sleep with the cougar hens at night, there's two seperate flocks and they sleep in different areas). So, the easter egger, he is my favorite chicken just because he lets me pet him and pick him up with no problem. He even talks to me. He doesn't attack my dogs (except he did today but it was my own dog's fault, so I was proud of the rooster for protecting the girls), so the weird thing is, while my mom was working outside, he tried to attack her twice, in front of her, he didn't wait for her to turn around and then attack. One time he kind of kept jumping on her so I had to restrain him! lol, what is up with these roosters? This easter egger rooster also courted my large dog a few times.