A neighbor advised you that if a possum poops in horse feed the will contract some kind of disease and die True?

That's a common myth, but it's not true.

While possums carry parasites and diseases, these are generally not transmissible to horses through contaminated feed.

Here's why:

* Horses are very resilient: They have strong immune systems and are generally not susceptible to the same diseases as humans or other animals.

* Possum feces are unlikely to be the source of serious illness: Most parasites and diseases carried by possums are specific to possums and won't affect horses.

* Horses are natural grazers: They are designed to eat a variety of plants and grasses, which may contain some bacteria and parasites. Their digestive systems are adapted to handle these elements.

However, there are a couple of things to consider:

* Mold and contamination: If the feed has been contaminated by possum feces, there is a risk of mold growth, which can be harmful to horses.

* Hygiene and prevention: While possum feces are unlikely to cause a major illness, it's always best to maintain good hygiene practices with horse feed to prevent contamination.

If you are concerned about your horse's health, it's always best to consult with a veterinarian.