CONCLUSION! ... I started this conversation from a technical perspective. I did end up, like many others here, using the Blackjack 57 and admit that it is the way to go. As others have said, there is no asphalt type odor, covers well with a rubbery film. If I could change the title of the post...
I started this thread to share some information for those who had "natural" inclinations. While I was disappointed in the "fake news" feedback, I do understand its roots. Here is the transcript of a conversation I had on the topic. Maybe there is some information contained therein which may help...
The manufacturer does not recommend for use around livestock due to the petroleum chemical makeup. However they do offer a silicone based product. At Lowes it is called Blackjack Silicone Waterproofing Coating. At Home Depot or Amazon it is called Eterna-kote.
There is your answer, short and sweet.