Yes, and THANK YOU. and of course your absolutely right. Obese is not good, and not healthy and will indeed led to many many problems and a short life.
So lets take it one more step.(or two)
When I started this with varanids, I had already learned that animals, grow quicky and lean, as in, long and slender, until they reach sexual maturity, then they bulk out, or mature.
With that in mind, that is very much a requirement of fast growth, to grow long and lean.
I say requirement because its also a guide to gauge your husbandry with. If your monitor is growing wide or fat and not long, that is without question telling you that your temps are not suffecient to support growth, so the energy is stored as fat.
When I mention, listen to the animals, reading their growth is all about READING them.
With young animals, its very easy to read, if they eat like pigs, everyday, grow like weeds, long and lean, then all is right in their world.
Its when they become adults that its confusing. Couple that with being dingdong humans, we do not understand animals so we treat them like people. And science does not help either. Humans average and so does science. The problem is, the monitors have nothing to do with average. They are all about extremes. literally!
The average size, the average weight, the average temps, the average food contents, the average my hindend. Feeding everyother day, X amount, x temp, etc etc etc. again my cute round hindy. Reptiles are all about bloom or gloom. That is, when they are active, they are full on active. When they are not, its sleepy time, they conserve energy. So naturally monitors do not feed on a regular basis. Not many reptiles do. They feed like MAD dogs, when food is available. And little to none, when its not. When foods available, they consume it, all of it every dang piece of it. they raise their body temps with speeds up their metabolism, which allows for food to be digested quickly so they can take advantage of prey occurances in a timely manner. This manner of feeding and metabolism control(under the monitors control) is where monitors progress, that is, they grow and reproduce.
In between that, they substanance feed or do not feed at all. To substanacne feed is to secure enough energy to get to the next day. under these conditions they choose lower temps to burn less energy, once substanance feeding cannot support that, they do down and conserve energy. So sadly understood as hibernating or brumating.
In nature, there is not everyother day bullcrap. They feed as often as they can and consume as much as they can. THEN CONSERVE.
So in our wonderful wisdom, we average feeding, temps, humidities and all such, funny part is, it kinda works for slower reptiles, not well, but works. Not so much for varanids. Or other expensive(high energy users) reptiles. Those types are often avoided by keepers, like fast snakes, racers and coachwhips, or fast lizards of the world. And there are many wonderful fast lizards. They just fail in captivity because they do not tolerate averaging.
Well varanids are not that expensive, a bit snake like, so they can survive the torture of averaging, but do not like it.
So as adults, its all about timely feeding, or burst feeding. ITs periods of heavy feeding followed by periods of less food or no food. And its not about hibernation, The reason is, they will attempt to stay active year a round, if they can secure the energy to maintain activity. Even at relatively low temps.
I would like to say, our science boys are to dumb to understand that, but they not actually dumb, they are Just stuck in a rut of math that AVERAGES. And the public, we are stuck in a rut of routine. Well these animals do have a routine, its just not ours. Much to their demise. Cheers