Fig. 5
From: Verifying the placement and length of feeding tubes in canine and feline neonates
Tube lengths of BENT ¾, BENT, STRAIGHT and NEMU (in cm) with respect to weight (in g) in puppies. Blue area: area between CARDIA US and Max US1. Orange area: area between Max US1 and Max US2. Red area: area between Max US2 and Max VISUAL. Values of BENT ¾ and STRAIGHT, found below the blue area, are in the oesophagus. BENT was never found below the blue area, therefore never in the oesophagus