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.
Without treatment, botulism eventually causes paralysis that spreads down the body from the head to the legs. 1  Symptoms can include: 2  drooping eyelids. 3  blurred or double vision. 4  facial muscle weakness. 5  difficulty swallowing. 6  slurred speech. 7  breathing difficulties.