sheep/goat

Pathogen: Clostridial tetani
Transmission: Wound contamination
- Requires a wound (e.g., rusty nail, laceration, castration, dehorning).

Entry: Bacteria enter through exposed wound.
Tissue Necrosis: Worse with banding than knife cutting.
- Necrotic tissue is preferred by the bacteria.
- Tissue necrosis refers to the death of tissue, often associated with foul odors.
Neurotoxin Release:
- Bacteria replicate in dead tissue, releasing neurotoxins.
- Neurotoxins are a third type (besides exotoxins and endotoxins).
- Absorbed by motor nerves, affecting voluntary muscle control.

Muscle spasms: Can be tonic or spasmodic, leading to muscle rigidity.
Ascending Tetanus: Muscles become rigid and unable to relax, including parts responsible for breathing.
Classic Posture: "Sawhorse stance" where limbs cannot bend; difficulty in breathing leads to asphyxiation.
Early Signs: Flickering of the third eyelid.
Lockjaw: Inability to open the jaw, leads to respiratory failure and death.

Generally poor due to the potential for asphyxiation as a cause of death. Euthanasia is often recommended before severe symptoms develop.
Early recognition is key to improving survival chances, but outcomes are typically grim.

Wound Management:
- Clean necrotic tissue and dry it.
- Use antiseptics like diluted betadine to manage wounds.
Medication:
- Penicillin injected directly into the wound.
- Tranquilizers for muscle relaxation, although effectiveness may vary.
Supportive Care:
- Monitor for hydration and nutrition; IV fluids and nutritional supplements may be necessary.
- Aim to keep the environment quiet and calm for recovery without stimuli.

Vaccination Programs:
- Tetanus Toxoid Vaccine: Essential for humans and animals; builds immunity by creating antibodies against tetanus bacteria.
- Administer Antitoxin at the time of surgery (i.e., castration) to bind with any circulating toxins.

Issues with accessing antitoxin due to supply shortages from manufacturers.
Strategies to maintain vaccination protocols despite antitoxin shortages include utilizing Toxoid vaccines well before surgical procedures.

Example Case: A boar goat presented with classic signs of tetanus following band castration with inadequate vaccination history.
Clinical findings included rigidity and inability to ambulate, initially treated with penicillin and sedation, but ultimately resulted in euthanasia.

Clostridial tetanus is preventable through proper wound management and vaccination protocols. Adequate vaccination before procedures that risk exposure is critical to reducing occurrences and fatalities.