在商业产品中评估Arthrobotrys flagrans度,掠食性活动和疗效
Maria Vitória Lamóglia Bastos Ferreira1, Edna Barcelos Alves1, Caroline Bittencourt Miranda1
1Laboratory of Cell and Tissue Biology, Center for Biosciences and Biotechnology, State University of Northern Rio de Janeiro - Darcy Ribeiro, 28013-602, Campos dos Goytacazes, RJ, Brazil.
Veterinary parasitology
|January 28, 2026
概括
这项研究发现,含有Arthrobotrys flagrans的巴西商业产品 (BCP) BioVerm®具有低的真菌活力,并且未能减少线虫幼虫. 为了有效控制牲畜寄生虫,需要紧急的质量控制.
科学领域:
- 兽医寄生虫学 兽医寄生虫学
- 菌类学 菌类学是指菌类学.
- 畜牧业管理 畜牧管理
背景情况:
- 胃肠道线虫对牲畜的健康和生产力有重大影响.
- 商用杀虫剂正面临越来越多的耐药性,需要使用替代的控制策略.
- 尼马托菌提供了对寄生虫线虫的潜在生物控制剂.
研究的目的:
- 评估BioVerm®的质量和有效性,这是一个基于Arthrobotrys flagrans的巴西商业产品 (BCP).
- 评估BCP的每克克拉米多数 (CCG),捕食性活动和幼虫减少功效.
- 为了确定BCP的商业批次中的生存能力和污染水平.
主要方法:
- 使用诺贝尔室量化每克克拉米多数 (CCG).
- 通过接种Panagrellus spp.来评估掠食性活动. 在培养皿中.
- 通过体外共培和体内羊便分析评估的疗效,以确定感染性幼虫 (L3) 减少.
主要成果:
- 平均CCG (8333-12,500) 显著低于标签上表示的每克5×105个子.
- 各批次的真菌生长不一致,其中一批显示高污染.
- 在体外或体外试验中没有观察到L3计数的显著减少.
结论:
- 评估的BioVerm®批量表现出较低的真菌活力和掠食性有效性.
- 结果突出了巴西商业产品质量控制方面的严重缺陷.
- 改善质量控制措施对于确保生物控制剂 (如Arthrobotrys flagrans) 在畜牧寄生虫管理中的有效性至关重要.
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