duck embryo vaccine

例句：

1. 1. The duck embryo vaccine is a highly effective method for preventing infectious diseases in poultry.
   鸭胚疫苗是一种预防家禽传染病的高效方法。
2. 2.The duck embryo vaccine has been widely used in veterinary medicine to protect livestock and poultry from diseases.
   鸭胚疫苗在兽医医学中被广泛使用，以保护牲畜和家禽免受疾病侵害。
3. 3. Due to the high cost and limited availability of the duck embryo vaccine, it is not yet widely adopted in many countries.
   由于鸭胚疫苗成本高昂且供应有限，目前许多国家尚未广泛采用。