Table 3. The concentration of effective disinfectant substance of each sample.
| Variables | No. of samples | Concentration | ||||
|---|---|---|---|---|---|---|
| A | B | C | D | |||
| Livestock farm | ||||||
| Laying hens | 7 | 1 | 3 | 1 | 2 | |
| Parents stock farm | 6 | - | 1 | - | 5 | |
| Broiler | 30 | 4 | 9 | 4 | 13 | |
| Korean native chicken | 2 | - | 2 | - | - | |
| Duck | 7 | 2 | 3 | 1 | 1 | |
| Korean cow (Han-woo) | 54 | 4 | 3 | 2 | 45 | |
| Dairy cow | 14 | 3 | 1 | 1 | 9 | |
| Pig | 49 | 5 | 19 | 3 | 22 | |
| X* | 43 | 6 | 27 | 1 | 9 | |
| Livestock facility | ||||||
| Abattoir | 14 | 4 | 6 | - | 4 | |
| Chicken abattoir | 6 | 3 | 2 | 1 | - | |
| Feed manufacture factory | 4 | 1 | 2 | - | 1 | |
| Total (%) | 236 (100) | 33 (13.9) | 78 (33.0) | 14 (5.9) | 111 (47.0) | |
Concentration of each sample follows the Animal and Plant Quarantine Agency of Korea guidelines.
A, no effective disinfectant was detected; B, low concentration (< 1X); C, proper concentration (1X ≤ and < 2X); D, overconcentration (2X ≤).
X*, the farms raise more than two kinds of livestock.