n.定菌（悉生）动物；限菌动物；既知菌动物

Gnotobiotic mice are invaluable tools for studying the effects of specific microbiota on host health.
无菌小鼠是研究特定微生物群对宿主健康影响的宝贵工具。
In gnotobiotic environments, scientists can control and manipulate the exact microorganisms present in an organism's gut.
在无菌环境条件下，科学家可以控制并操纵生物体肠道内存在的精确微生物。
The piglets were raised in a gnotobiotic facility to minimize the risk of infection during experimentation.
为了在实验期间尽量减少感染风险，猪仔们在无菌设施中饲养。
Gnotobiotics is a field that deals with the rearing or maintenance of animals under sterile conditions.
无菌生物学是一门涉及在无菌条件下饲养或维持动物的学科。
Researchers used gnotobiotic zebrafish to investigate the role of symbiotic bacteria in development.
研究人员利用无菌斑马鱼来研究共生细菌在发育中的作用。
This study utilized gnotobiotic calves to understand the protective effect of probiotics against diarrheal diseases.
该研究利用无菌牛犊来了解益生菌对抗腹泻疾病的保护效果。
Gnotobiotic models allow researchers to test hypotheses about the interactions between hosts and their resident microbiota.
无菌模型允许研究人员测试关于宿主与其体内微生物相互作用的假设。
By comparing germ-free and gnotobiotic animals, we can better understand the impact of microbiota on metabolism.
通过比较无菌和无菌动物，我们可以更好地理解微生物组对新陈代谢的影响。
Gnotobiotic pigs were inoculated with human gut microbiota to study its influence on obesity and related disorders.
为了研究人类肠道微生物群对肥胖及其相关疾病的影响，科研人员将人体肠道微生物移植到了无菌猪体内。
The gnotobiotic system allows for the introduction of defined microbial communities into a host without interference from other environmental microbes.
无菌系统能够在不受其他环境微生物干扰的情况下，将定义明确的微生物群落引入宿主体内。