Please do not get upset, but it appears to be your opinion(and others)(there are always others, but do they have proof as well)
I asked, if you had reason. That means, did you have any problems by feeding only rodents? As I mentioned, I have raised hundreds upon hundreds of many species, including this species and did not have any problems what so ever, on an all rodent diet.
On occasion, weak babies will only take insects for a few feedings, then I feed them rodents. A few feedings does not mean anything considering, the growth from hatchling size to adult size.
Consider, you can feed all the insects you like. I have no problem with that and do not see any harm. But you indicate there is something wrong with feeding a solely rodent diet, and my results indicate that is totally wrong. As I have superior results from growth, to reproduction, to longevity with a rodent diet.
Again to clarify, no one is questioning the diet you use, but you do not seem to have tested anything other then what your opinion is. Did you have monitors fail or express lesser results with a rodent diet? Did you see a drop in reproduction? did they result in a shorter less productive life? Etc.
With that in mind, did you see an increase in growth by including insects? an increase in reproduction by including insects? an increase in longevity by including insects?
U see, this is the point, if you do not have increased results, then its merely your opinion. And your very welcome to state that you like the diet your using. But to indicate that an all rodent diet is, less then, what your doing is not accurate. You have stated no results In fact, you have not stated what your success has been. So no one, not even me, can compare your diet(and combined husbandry) to whatever we are using. You simply state you think they have a varied diet in nature, but you really do not know what they would feed on, if they had a choice. Its been my experience with wild monitors, that they choose the best food source(chicken coups) until it runs out, then go on down the line until they feed on crap that is only getting them day to day. Unfortunately, its my opinion, most stomach content studies are done of individuals that are in trouble(they are easy to catch) but I wander.
For instance, we have no problem taking medium sized monitors from egg to egg in six months on a rodent diet. Which means, they have to grow well and solidly(healthy). Has that been your experience with your diet? What is the quality of your growth and reproduction, etc? Cheers