I too like it. Good contrast, and good focus on the subject matter, and I really like the emphasis you got with the calf's shoulders--and you did a great job with the ears. You kept it simple, yet with enough nuance of detail to make it interesting if the person viewing it simply steps back a little and pays some attention to the painting as a whole. A wise move to treat the eyes as you did--I am not an artist, but have noticed way too many times that people try to capture in a painting, what real eyes look like and it almost always ends up badly, detracting from an otherwise great painting. You did a good job keeping the right perspective in the lines of momma's neck too--shows her length without making the painting too large and loosing size contrast with the calf.
As a single parent with 4 kids,each year I had to judge several crafts exhibits at local fairs, as well as photo entries when my kids were in school and 4H/FFA. The first couple, I fell victim to the "oh how cute" syndrome, but then got some tuteledge from an old hand at judging amateur crafts and photos. First thing she said was ignore the cute--they were always a dime a dozen, like everyone's newborn baby (human) photos are. (every parent firmly believe's their baby is the cutest, most beautiful picture in the world, but most folks cringe when someone says "Oh, you just HAVE to let me show you the pics of the new grandbaby--she's just GORGEOUS!!" They all look exactly the same--even mine )
If I had $1 for every photo I saw of a pretty kid in Sunday dress sitting in a swing, with a puppy dog in her lap, I could pay for a round bale.
She also gave me some tips. Start off with a blank slate, where every entry is 10 pts, then look for obvious glaring defects, taking a point away for each. (defects isn't the word she used but I forget now what it was) Narrow it down to 3 entries with that, then look at the positives in each of those 3.