It was discovered early in the selective breeding of domestic animals that hybrid offspring can be more physiologically robust.
What are Shaver Black Sex Links? Feb 26, 1.
Sex link - Wikipedia
What are Shaver Black Sex Links?
Understanding Sex-Link Hybrid Chickens
Sex link chickens are becoming more and more common as the need for efficiency in the commercial poultry industry demands ways to maximize profits. A Sex-link is not an actual breed, but usually the crossing of two breeds of dissimilar colors.
Sex-Linked Chickens – Silver Lake Ranch
The easiest way to answer this question is to ask yourself why you want the chickens.
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