NAVLE（北美执业兽医考题）Day 700

A 5-month old female cat presents to you for weight loss, chronic diarrhea and steatorrhea. The organism seen in a stained fecal smear is shown in the image below (this is a magnified 40X image, the organism is approximately 15 x 8 um). Which treatment is most appropriate?
一只5个月的母猫由于体重下降，慢性腹泻和脂肪泻前来就诊。其粪便涂片镜检看到了如下图所示的微生物（40倍镜，该微生物大小约为15x8um）。哪种治疗方式比较恰当？