About four months ago we found Brandy Rhode Island Red dead in the hen house...no apparent injuries appeared to be a broken neck? We thought maybe she got pushed or fell off the perch and broke her neck...no feathers no sign of a struggle. She was a more dominant hen...very friendly to us liked to be picked up, eat out of our hands etc...seemed to dominate over Evelyn the Easter Egger though..whenever Sassy our rooster would mount Evelyn, Brandy would peck at her. Her death was upsetting to us, but Evelyn seemed to benefit from it...not hiding as much...however Evelyn is still Sassy's "favorite" lots of missing back feathers. Then today I found Snowy-a rescued battery farm white leghorn dead in the yard...still warm...no blood..also appears to be a broken neck...possibly little specks of fresh blood on her waddle from being mounted. Upon examination, It appears her mating parts were out...not sure if they come out after death automatically in some sort of muscle relaxation, or whether she died while mating? I am leaning towards Sassy our Giant Buff Cochin Rooster being the culprit but I don't want to assign blame since I didn't see it happen. The hens like him but if he gives them they eye they run from him and usually escape unmated. Evelyn runs and screams but will lay down if he gets about two feet away and let him mount her. She is the only one that lays down for him, consequently she is missing a lot of feathers. We are backyard chicken keepers, the chickens have the run of our backyard and hen house during the day and then we lock them up in the hen house for their protection at night. Originally we had four hens, concerned for Evelyn being over mated, we rescued two more hens, bringing our total hen count to six hoping Sassy would find them attractive and give poor Evelyn a break...Didn't work out that way...occasional trysts with the others but Evelyn is still his favorite ('cause she is an easy lay is my guess!). After Brandy's death down to five hens, now Snowy is gone and we are down to four...I don't know what to do I don't want to keep getting more hens if they are going to be raped and killed!