全书共分五章：第一章介绍了马圆线虫国内外的研究进展，分别从分类学、生活史、寄生部位等方面进行了阐述；第二章对河南省35种马圆线虫的形态特征进行了详细描述，并提供了非常清晰的光镜和扫描电镜图谱；第三章介绍了河南省马圆线虫感染的基本状况；第四章主要探讨河南省马圆线虫的分子遗传特征及其系统进化关系；第五章介绍了河南省马圆线虫在形态学、生态学和分子生物学三个领域的主要研究方法。
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