关键词: SPF种蛋, 饲养管理, 孵化条件, 孵化率

Abstract: Abstract：SPF eggs are various of biological products high standard materials of developing and identifying people、 livestock and poultry etc．These factors of heredity，feeding and management of SPF chicken and storage、 transportation of SPF eggs and temperature，humidity and ventilation of hatch conditions can greatly affect the rate of hatchbility．Improving the above factors can improve the rate of hatchability and reducing cost of production of livestock and poultry diagnosis and veterinary biological products．

Key words: SPF eggs, feeding and management, hatch conditions, rate of hatchbility