巴西里约热内卢州立北里约热内卢大学克劳迪娅·阿尔梅达及其同事,从蝮蛇和响尾蛇身上提取少量蛇毒使母鸡产生免疫力,然后收集沉积在蛋黄中的抗体。试验表明,鸡的抗蛇毒素产生的效力比马的高5倍。更重要的是在蛋黄中抗体的浓度很高,而且比哺乳动物血液中的要纯。仅用简单的设 Claudia Almeida, a University of Rio de Janeiro in Rio de Janeiro State, Brazil, and her colleagues, extract a small amount of snake venom from viper and rattlesnake to make hens immune, and collect antibodies that have been deposited in the egg yolk. Experiments show that chicken anti-snake toxins produce five times more potent than horses. More importantly, the concentration of antibody in the egg yolk is high and purer than in mammalian blood. Only simple set