Nasogastric intubation is easy and is an effective ... food through the tube will be very difficult. In general, for tubes of size 5 Fr to 8 Fr, a 3-ml or smaller syringe should be used.

Nitin Choudhary and his co-authors wrote in “I-Gel as an intubation conduit ... the correct i-gel size, because selecting the wrong size would impede the ET tube from being placed correctly ...

In dogs, endotracheal intubation is often necessary for surgery, dental prophylaxis, or other procedures that require gas anesthesia or ventilation. Following a few simple guidelines can help ...