NAVLE（北美执业兽医考题）Day 719

Q1:A 2-year old male castrated Border Collie presents for a 1-week history of small bowel diarrhea. A fecal flotation shows numerous Giardia cysts. What is the treatment of choice for this dog?一只2岁雄性已绝育边境牧羊犬由于持续一周的小肠性腹泻前来就诊。粪便漂浮检查提示大量的贾第鞭毛虫孢囊。这只狗的治疗选择是什么？