Variable | Categories | Value label | Percentage |
---|---|---|---|
p. Frequency of replacement deliveries to this site (days between deliveries) | 30 or less | 5 | 37.3% |
31 to 45 days | 4 | 6.2% | |
46 to 60 days | 3 | 18% | |
61 to 90 days | 2 | 10.6% | |
91 days or more | 1 | 7.5% | |
Not applicable | 9 | 20.5% | |
q. Flow restrictions on vehicles used to transport genetic animals | No restrictions, the same vehicle may haul PRRSV positive and negative animals | 5 | 14.3% |
The same vehicle can haul PRRSV positive and negative animals but a minimum downtime is required before visits to negative sites following last visit to positive site | 4 | 19.9% | |
The same vehicle never hauls both PRRSV positive and negative animals | 3 | 21.7% | |
Truck(s) are dedicated to this site and do not haul animals from other sites | 2 | 44.1% | |
r. Route restrictions on vehicles used to transport genetic animals | No special route selection practices | 5 | 70.2% |
Transport routes are outlined proactively to avoid roads with swine and swine-related sites along the route | 1 | 29.8% | |
s. Transit restriction on vehicles used to transport genetic animals | Transport vehicles are allowed to stop en route | 5 | 42.2% |
Transport vehicles are allowed to stop en route only at designated times and locations | 4 | 8.1% | |
Transport vehicles are never allowed to stop en route | 3 | 49.7% | |
t. Use restrictions on vehicles used to transport genetic animals | Vehicles used to transport genetic animals to and from other sites within the production system may transport non-genetic animals or animals to market or collection points | 5 | 32.9% |
Vehicles used to transport genetic animals to and from other sites within the production system are not used to transport non-genetic animals or animals to market or collection points | 1 | 67.1% | |
u. Washing frequency of vehicles used to transport genetic animals | Never, rarely, or unknown | 5 | 1.9% |
At least once per 20 loads | 4 | 2.5% | |
At least once per 10 loads | 3 | 8.8% | |
Between every load | 2 | 48.1% | |
Not applicable | 9 | 38.8% | |
v. Pre-rinse with water to flush away loose organic material prior to wash of vehicles used to transport genetic animals | Unknown | 5 | 8.8% |
No, pre-rinse not done | 4 | 3.8% | |
Yes, fresh water used | 3 | 48.8% | |
Not applicable | 9 | 38.8% | |
w. Disinfectant use on vehicles used to transport genetic animals | No disinfectant used or unknown | 5 | 25% |
Phenol-based compound (BioPhene, Environ, Tek-Trol, Laro, Lysol) or aldehydes (DC&R, Cidex, Formaldegen) used | 4 | 3.1% | |
Quarternary ammonium (Roccal, Germex, Zephiran, Hi-Lethol, BioSentry) used | 3 | 2.5% | |
Hypochlorite (Clorox, Halazone, Chloramine-T) or peroxygen (Virkon) used | 2 | 5.6% | |
Iodine (Wescodyne, Premise, Iofec, Iosdyn, Losan) or quarternary ammonium combinations (Synergize, Aseptol) used | 1 | 25% | |
Not applicable | 9 | 38.8% | |
x. Drying time following wash of vehicles used to transport genetic animals | No requirements | 5 | 3.8% |
Vehicles allowed to dry completely before next load | 4 | 53.8% | |
Assisted drying technology is used to dry washed vehicles | 3 | 5.6% | |
 | Not applicable | 9 | 36.9% |