Managing an alert: isolate, protect the other houses, inform, keep the register

This lesson is part of Farm health technician specialisation. It opens to every registered student, from free registration. Levels 1 to 5 and the tracks remain readable by everyone.

In a single house, an alert is a race against the disease. On a three-house farm, it is also a race against contagion: while H2 is sick, 1,194 eight-day-old chicks in H3 and 1,160 almost finished broilers in H1 have nothing, and the whole work of the health technician is to make sure that stays true. This lesson organises the alert at farm scale, hour by hour: isolate within the affected house, reverse the forward flow to protect the others, inform in the right order and within the right times, keep the alert register that will serve the veterinarian, the buyer and the next flock, and know when and how the alert is lifted. With one rule that does not move: nothing in the water, nothing sold, nothing moved without the veterinarian.

• ✓Trigger a farm alert and carry out the actions of the first hour in order
• ✓Organise isolation within the affected house and the reversed forward flow to protect the other houses
• ✓Inform the veterinarian, the owner and, through the veterinarian, the veterinary services if the disease is notifiable
• ✓Keep the alert register and conduct the lifting of the alert

1. What an alert is, and what it changes on the farm
2. The first hour: ten actions in order
3. The reversed forward flow: protecting the healthy houses
4. Informing: who, in what order, within how long
5. The alert register and the lifting of the alert
6. Going further

• •An alert is a written status (start, person responsible, end) that replaces the ordinary rules with strict rules for everyone: suspect house last, daily footbaths, no visitor except the veterinarian, no sale or movement, nothing in the water without a prescription.
• •First hour, ten actions in order: declare, call the veterinarian (5 min, without the owner’s agreement), inform the owner (10 min), lock the flows, isolate (12 m² pen for the 14 most affected birds), correct what is allowed, observe and photograph, check the healthy houses, write the fourteen headings, prepare the visit.
• •Reversed forward flow: nothing leaves the suspect house, nobody goes back from it to a healthy one the same day, no bird moved or sold; half of the alert time is spent watching the healthy houses.
• •Inform in order: veterinarian, owner, team, then buyer and supplier through the owner; notifiable disease = the veterinarian informs the veterinary services, the technician blocks all movement and applies.
• •Alert register: trigger, calls, measures, observations, samples, veterinarian’s decisions, daily follow-up, lifting, revision; the lifting is a written decision of the veterinarian (generally three days below 0.3 %, water and feed back, other houses within the norm).