This adventure is a bit too micro. I find it hard to believe there will be a party out there that will take an hour to run through the adventure, as the cover states "Hour or less Micro adventure." My current party would be done with it in 15 minutes, and that's on a bad day.
The plot is a bit too obvious (ie, well there are no foot prints, so either magic is involved or something large is coming in and taking off with the cattle). Speaking with animals is a moot point and doesn't really help the party, and it's a waste of a spell.
I also noticed there were a few typos (writing"it" instead of "he" in the dm text, and typing he instead of the).
The NPC background being already fleshed out is great, but too bad most of it is not being adequately used during this particular adventure (most of the backgrounds assume that the party will visit the NPCs more often and will get to see more of their quirks, etc).
In the end a creative DM would have to flesh out the adventure some, to make it fulfilling to the party.