Genetic diversity in Xuwen and Hainan yellow cattle and Holstein cows based on protein polymorphisms was studied with starch electrophoresis in this experiment.

• 采用淀粉凝胶电泳技术和组织化学染色方法，研究徐闻黄牛、海南黄牛和荷斯坦牛血液蛋白的遗传多样性。