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The primary egg

The first egg is also called open nest egg, commonly known as the first egg, it is the first nest egg that the small hen lays in 30 to 60 days before the birth, the head nest egg is small, the nutrien

The first egg is also called open nest egg, commonly known as the first egg, it is the first nest egg that the small hen lays in 30 to 60 days before the birth, the head nest egg is small, the nutrient content is higher than the common egg. The nutritional value of primary eggs is higher, and there are "smart eggs".