When using pine tar on a chicken that has been pecked on her hind end, does it still allow circulation for the feathers to grow back? Does it burn the skin? Does it stay sticky or dry to the touch so every spec of shavings and dirt does not stick to her? Are there any adverse affects of using it? Can you still eat eggs from the chicken? Also, about how long will it take the feathers to grow back this time of year? Just curious, does anyone know how using pine tar for this purpose got started? Obviously I am a very nervous and worried first time chicken parents and have no idea why the pecking started since the girls have a large coop and run and a great diet every day.