Nelson M J, Nickol B B
J Parasitol. 1986 Apr;72(2):306-14.
Animal husbandry aimed at preventing Macracanthorhynchus hirudinaceus infections in swine is not successful in preventing exposure to Macracanthorhynchus ingens, and it is probable that pigs occasionally acquire acanthocephalans of that species. In some pigs, M. ingens survived 2 weeks and grew several millimeters. In such cases, destruction of villi, erosion of epithelium, leukocytic infiltration, and altered cytological structure at attachment sites accompanied the infection. Penetration was limited to the submucosa, and the effects were not as severe as those occurring in the presence of M. hirudinaceus, which enters the muscularis.
旨在预防猪感染蛭形巨吻棘头虫的畜牧业措施，在防止猪接触巨棘吻棘头虫方面并不成功，猪偶尔有可能感染该物种的棘头虫。在一些猪中，巨棘吻棘头虫存活了2周，并生长了几毫米。在这种情况下，感染伴随着绒毛破坏、上皮侵蚀、白细胞浸润以及附着部位细胞学结构改变。虫体穿透仅限于黏膜下层，其影响不如蛭形巨吻棘头虫感染时严重，后者会侵入肌层。
