readings on feed results on this site

renee lefthand <rollykoal@...>

Hi this may seem like a ridiculous question 
how does one read those analysis ?
I know the ESC and another one 
but there is 2 or 4 columns and some say dry matter etc 
I am little confused 
here is an example for triple crown lite ? 
what is the ESC ?
thank you 
Renee SD 2020

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