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甲虫,生物防治剂,针对牲畜中的胃肠道线虫:体外试验

E von Son-de Fernex¹, R Estrada-Robledo¹, R Ojeda-Flores²

¹Centro de Enseñanza Investigación y Extensión en Ganadería Tropical, Facultad de Medicina Veterinaria y Zootecnia, Universidad Nacional Autónoma de México, Km 5.5 Carretera Federal Tlapacoyan, Martínez de la Torre, Veracruz CP 93600, Mexico.

Veterinary parasitology

|October 2, 2025

概括

泥甲虫可以帮助控制牛寄生虫. 某些物种将胃肠道线虫幼虫 (GIN-L3) 埋在土壤深处,减少牧场污染,并支持综合性寄生虫管理.

科学领域:

兽医寄生虫学兽医寄生虫学
昆虫学昆虫学是一门学科.
土壤生态学土壤生态学

背景情况:

抗虫耐药性和有限的治疗选择对牛的胃肠道线虫 (GIN) 控制构成挑战.
生物控制剂正在被探索为GIN管理的可持续替代品.

研究的目的:

评估四种甲虫物种 (Digitonthophagus gazella,Onthophagus australis,Euoniticellus intermedius和Copris incertus) 作为对GIN感染幼虫 (GIN-L3) 的生物控制剂的潜力.
评估便甲虫对GIN-L3在牛场内垂直分布的影响.

主要方法:

灰尘甲虫物种从牛牧场收集.
用过灭菌土壤的垂直地被用来评估GIN-L3分布.
在上面放置了感染GIN的便,并引入了甲虫.
在10天后分析了土壤层,以量化GIN-L3.
进行了使用Cooperia punctata L3的人工埋葬试验.

主要成果:

在10-25厘米深处,Copris incertus和D. gazella显著缩了GIN-L3 (分别为58%和49%).
较深的甲甲虫繁殖量 (≥15厘米) 与增加的GIN-L3密度相关.
深地道便甲虫的行为减少了Cooperia punctata L3的上升迁移,每厘米深度减少了28%.

结论:

泥甲虫,特别是深的道种类,可以显著改变GIN-L3在土壤中的垂直分布.
这种行为通过限制幼虫进入牧场表面来降低GIN传播的可能性.
甲甲虫作为牛群GIN管理综合战略的组成部分,显示出有前途.

关键词:

生物控制是生物控制.这就是Cooperia punctata.这是一个不确定的copris incertus.在 DigitOnthophagus gazella 中,我们发现了可持续的畜牧业可持续的畜牧业

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