“Apple cider vinegar has long been used as a folk remedy for humans and livestock alike. When fed to livestock, farmers claim it aids in fiber digestion, increases milk production and acts as a dewormer, among other benefits.” https://practicalfarmers.org/2019/06/feeding-apple-cider-vinegar-to-dairy-cattle/#:~:text=Apple%20cider%20vinegar%20has%20long%20been%20used%20as,and%20acts%20as%20a%20dewormer%2C%20among%20other%20benefits

>apple cider vinegar is a dewormer