Materials needed to tube-feed a pigeon: 

• IV tubing 
  • USA: Universal IV Set
    
    • www.amazon.com/JorVet-J0400-Universal-Iv-Set/dp/B00GRPZA2A/ref=sr_1_2?crid=3P06D22BF4Z8A&dchild=1&keywords=iv+tubing+macro+drip+10%2F15+gtt&qid=1632294321&sprefix=IV+tubing+15%2Caps%2C230&sr=8-2
  • Europe: Braun Intrafix Air 
• Syringe 
  • USA: 20ml Syringe Sterile with Luer Slip Tip 
  • Europe: Braun Injekt Luer Solo 20ml
• Feed
  • USA and Europe: NutriBird
  • USA: Cream of Wheat 
  • Germany: Getreidebrei Bio 7-Korn from DM