Many of the methods used in participatory research are drawn from mainstream disciplines and conventional research itself involves varying degrees of participation. The key difference between participatory and conventional methodologies lies in the location of power in the research process.
Symptoms of botulism usually start around 7-10 days after contamination. The botulinum toxins block the action of the nerves on the muscles. As a result, the first signs of botulism are muscle weakness and poor co-ordination. In the early stages the horse has muscle tremors.
Overview. 1  The food poisoning you get from canned food is called botulism. 2  Vision problems are a common symptom of botulism. 3  Symptoms that affect the mouth are dry mouth and trouble swallowing.  The symptoms mentioned above, such as muscle weakness, slurred speech and trouble swallowing, are all due to the botulism toxin's affects the nervous system.