UTERINE RUPTURE AND CESAREAN SURGERY IN THREE RIO CAUCA CAECILIANS (TYPHLONECTES NATANS).

A uterine rupture of unknown etiology during gestation causing the death in a Rio Cauca caecilian ( Typhlonectes natans ) and successful anesthesia using tricaine methanesulfonate and cesarean section in three occasions in two other specimens because of suspected dystocia are described. One of the surgeries was performed at an early stage of embryo development, thereby preventing the survival of the neonates.

HIGH PREVALENCE OF INTESTINAL ADENOCARCINOMA IN A CAPTIVE POPULATION OF AMAZON MILK FROG (TRACHYCEPHALUS RESINIFICTRIX).

:  A series of eight cases of intestinal adenocarcinoma in Amazon milk frog (Trachycephalus resinifictrix) is described. All cases presented with signs of inappetence and weight loss, and evidence of large intestinal distention on gross postmortem, with six of the eight cases showing a grossly visible large intestinal mass. Histologic examination identified the mass as an intestinal adenocarcinoma in all cases.