墨西哥建造不育蝇工厂应对螺旋蝇蛆病|少妇特黄a片一区二区三区免费
中新网北京7月8日电 墨西哥城消息:当地时间7月7日,墨西哥政府宣布,已开始在该国南部建造一座价值5100万美元的不育蝇工厂,旨在应对正在蔓延的螺旋蝇蛆病,该疾病此前影响到墨西哥对美国的牛只出口。
路透社援引墨西哥农业部发表的一份声明称,该工厂预计在2026年上半年完工,为墨西哥与美国合作项目,完工后每周预计将生产1亿只不具生殖能力的螺旋蝇幼虫。而释放由这种不育蛆虫蜕变的螺旋蝇,可以有效减少野生螺旋蝇种群的繁殖数量,从而达到控制螺旋蝇蛆病规模的目的。
螺旋蝇蛆病是一种由螺旋蝇的幼虫引起的疾病,这种蝇将卵产在恒温动物(包括人类)的开放性伤口中。幼虫孵化后进入伤口内部,以活组织为食,进而造成疾病甚至死亡。此前,因担心螺旋蝇蛆病传播,美国曾数度暂停墨西哥活畜进口。
今年5月11日,由于曾在美国根除多年的螺旋蝇蛆病开始从墨西哥向北蔓延,美国关闭了对来自墨西哥的牲畜进口通道,其中包括家畜、野牛和马。6月30日,美国农业部宣布逐步恢复从墨西哥进口活体牛、野牛和马,港口将分阶段重新开放。(完)
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