What I learned with parrots is that you can prepare veggies, blend em in large quantities and then ration it off. Say for example you make cricket chow - my own fave blend.
Carrots, Romaine, Endives, Cactus, flukers cubes,honey, water.
I put all that in the food processor and just let it go until it gets down to a salsa-ish thickness. I then take it all out and prepare rations using plastic wrap.
Take a cupcake pan and line each hole with plastic wrap all the way to the lip. Spoon in the cricket chow until you get about an inch up the cup. Removes the plastic wrap from the cupcake pan and wrap it up nice and tight. Stick it in the freezer.
I only keep about 100 crickets at a time, and so one of those little plastic wrap servings is good for nearly three days. On day two I remove a new one from the freezer ( in the evening ) and let it defrost in the fridge. Morning of day three I throw the old one and clean out the cricket keeper. Put the new chow in and your good to go.
I am planning to start purchasing 500 + crickets at a time, so I am thinking I will need to start making each plastic wrap a little larger, but you get the idea.
With Freezing, most of the veggies only loose a small portion of the nutrient contents, blending also does a wonderful job of releasing the nutrients.
And hey, the crickets go nuts for it.
S.F