The article presents a case study concerning the surgical excision of rectal polyps in mongrel dog. It mentions that primary tumours of the colon, rectum and caecum are rare in dogs. It cites a two year old mongrel which has rectal bleeding, frequent scanty defecation and poor appetite. It notes that the growths were excised under asepsis by anus after stabilizing and prolapse the base of the growth with stay sutures at muscular level.