SysError404

You are aware that this is not only trespassing, but also Breaking and entering, potentially more. And in some place farmers won't ask before firing. Especially considering you are a threat to their families and livelihoods.

Your thinking toward Small farms is wrong. I have worked on and helped with many family farms in my life. And aside from keeping animals from infections there is still abuse. However, you are also more likely to find trouble sneaking around a small family farm.