| Fish |
: |
Midline, anterior to dorsal fin |
| Reptiles |
: |
Chelonians: subcutaneously in left hind leg (intramuscularly in thin-skinned species); subcutaneously in the tarsal area in giant species
Crocodilians: anterior to nuchal cluster
Lizards: Left quadriceps muscle, or subcutaneously in this area (all species) In very small species subcutaneously on the left side of the body
Snakes: left nape of neck subcutaneously placed at twice the length of the head from the tip of the nose
NB it is recommended that tissue glue is placed over the needle entry site in all reptiles |
| Birds |
: |
Left pectoral muscle
Exceptions: ostriches - pipping muscle; penguins - subcutaneously at base of neck |
| Mammals |
: |
Large: left mid-neck subcutaneously
Medium and small: between scapulae
Primates: alternative site - back of hand (metacarpal) or foot (metatarsal). This area is suitable if animals can be trained to present hands or feet through cage bars
Elephants: behind the left ear, or wherever appropriate for the individual animal. |
