Skimming is the standard method.
Personally, I've taken to bringing the chicken to a rapid boil, and then dumping that, rinsing it off, and then starting the stock as normal. Less scummy, and apparently was an old timey method I read somewhere.
Personally, I've taken to bringing the chicken to a rapid boil, and then dumping that, rinsing it off, and then starting the stock as normal. Less scummy, and apparently was an old timey method I read somewhere.