I hope it works well. I know it's only my personal experience but most animal handlers I've met, if you're honest with them about wanting to learn and what you don't know there is often times a willingness to teach. But, that's just my experience.I might try and take a closer look tomorrow if the job is still up on the site. Most of the time I've spent with horses, has just been petting them, I've never actually taken care of any, and I've literally touched a cow once in my life.
I hope it goes well for you.