Well after years of keeping all manner of snakes from Burms to Garter snakes and just about everything in between I’ve encountered all kinds of feeding preferences..
In MY experience , bearing in mind I’m
in the UK and we don’t feed LIVE is that Royals are by far the most difficult ones to get feeding on anything like a regular basis .
My routine with all mine now is to thaw naturally in the snake room in hours before feeding , the rodents are then fully thawed and none of their natural smell / aroma is washed off by thawing in water ...
Bearing in mind many suggest rubbing the mice /rats in hamster or mouse bedding to make them MORE smelly I don’t see the sense in washing their natural smell away ..
Anyways ... I only try feeding in the evening and in dim / low lighting .
Royals have to feel secure so I wait until they’re settled under a hide then give the mouse /rat a good blast with a hairdryer then INSTANTLY dangle the food in front of the hide entrance.
In the unlikely instance that it’s not immediately grabbed you just give it another blast and keep repeating.
Even If the snake isn’t normally a good eater by keep warming and offering you kinda get it into feeding mode ..
Oh and when they get to a year old I go to feeding every 10 to 14 days instead of weekly and get 100% success .