3 different sizes of syringe available:-
 
2ml syringe for use with with 2.5mm x 50mm tube for newly hatched Pigeons and Doves 10ml syringe for use with 4mm x 60mm tube for 2-3 week old Pigeons and Doves
20ml syringe for use with 5mm x 70mm tube - 3 weeks and over
 
Feed tubes sold separately