Vitaferm products

Am I wasting my money to feed Vitaferm Concept Aid cubes if I am already using their concept aid minerals?  Also has anyone had experience using of the pro-gest, vitaferm formula, or digest more pellets in their creep feed?  I am thinking this would be a great addition to a creep ration but wanted to see if anyone has tried it.  And finally has anyone used their milk-n-more milk replacer and if so what did you think?

We fed the cubes a couple weeks before to a cow we flushed and got 27 fertile eggs. It must not have hurt anything, it's only $13 a bag so get it.

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How has the concept aid worked for you. I have never used it but we will only use cc5 in our mineral tubs, its some of the best mineral in my opinion. I like the show supplement as well, just a lil expensive for what it is.

This is the first time I hav used the vitaferm mineral but have heard nothing but great reviews and it is pretty reasonably priced in my opinion.  Even if it gets me one extra AI or ET calf it will pay for itself.

Still curious if anyone has experience using of the pro-gest, vitaferm formula, or digest more pellets in their creep feed?  I am thinking this would be a great addition to a creep ration but wanted to see if anyone has tried it.  And  has anyone used their milk-n-more milk replacer and if so what did you think?