Experts say the rare phenomenon is just a quirk of nature and can occur if the chicken receives a shock during egg production.
农业专家们也表示，这样罕见的情况实则是大自然的一种变异，如果母鸡在生蛋时受到惊吓，就可能产下异常的鸡蛋。
Experts say the rare phenomenon is just a quirk of nature and can occur if the chicken receives a shock during egg production.
农业专家们也表示，这样罕见的情况实则是大自然的一种变异，如果母鸡在生蛋时受到惊吓，就可能产下异常的鸡蛋。
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