Table 3.
Regional distribution of reported cases of Brucella infection in different samples obtained from common domestic animals in Nigeria (2001–2021).
| Region | Types of Animals | Types of Samples Investigated | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Blood | Milk | Vaginal Swab | Hygroma Fluid | Aborted Foetus | Lymph Node | ||||||||
| No Tested | +ve Sample | Not Tested | +ve Sample | No Tested | +ve Sample | No Tested | +ve Sample | No Tested | +ve Sample | No Tested | +ve Sample | ||
| NC | Cattle | 2397 | 212 | 428 | 52 | 374 | 11 | 4 | 1 | 10 | 1 | 0 | 0 |
| Donkey | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Camel | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Horse | 77 | 20 | 0 | 0 | 8 | 3 | 1 | 1 | 0 | 0 | 0 | 0 | |
| Goat | 2099 | 410 | 18 | 0 | 17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Sheep | 1242 | 322 | 20 | 0 | 44 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | |
| Pig | 366 | 125 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | |
| Chicken * | 275 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Dog | 483 | 115 | 4 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | |
| Total | 6939 | 1214 | 470 | 52 | 443 | 14 | 5 | 2 | 20 | 1 | 0 | 0 | |
| NE | Cattle | 5047 | 1120 | 144 | 27 | 56 | 3 | 6 | 4 | 0 | 0 | 0 | 0 |
| Donkey | 2101 | 215 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Camel | 1267 | 398 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Horse | 100 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Goat | 831 | 75 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Sheep | 28 | 4 | 8 | 7 | 21 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Pig | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Chicken * | 730 | 18 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Dog | 374 | 76 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Total | 10,478 | 1922 | 152 | 34 | 77 | 6 | 6 | 4 | 0 | 0 | 0 | 0 | |
| NW | Cattle | 16,008 | 2456 | 3307 | 111 | 161 | 0 | 2 | 0 | 0 | 0 | 170 | 50 |
| Donkey | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Camel | 1192 | 116 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Horse | 400 | 54 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Goat | 1937 | 214 | 254 | 89 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| Sheep | 2248 | 522 | 201 | 40 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Pig | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Chicken * | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Dog | 200 | 43 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Total | 21,985 | 3405 | 3762 | 240 | 161 | 0 | 2 | 0 | 0 | 0 | 170 | 50 | |
| SE | Cattle | 1566 | 51 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
| Donkey | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Camel | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Horse | 402 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Goat | 340 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Sheep | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Pig | 351 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Chicken * | 410 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Dog | 123 | 34 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Total | 3192 | 125 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | |
| SS | Cattle | 354 | 149 | 0 | 0 | 14 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
| Donkey | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Camel | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Horse | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Goat | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Sheep | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Pig | 30 | 81 | 0 | 0 | 25 | 68 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Chicken * | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Dog | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Total | 384 | 230 | 0 | 0 | 39 | 69 | 1 | 1 | 0 | 0 | 0 | 0 | |
| SW | Cattle | 11,234 | 689 | 1224 | 248 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Donkey | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Camel | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Horse | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Goat | 2813 | 46 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Sheep | 94 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Pig | 200 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Chicken * | 140 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Dog | 1102 | 176 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Total | 15,583 | 930 | 1224 | 248 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Grand Total | 58,561 | 7826 | 5608 | 574 | 720 | 89 | 14 | 7 | 20 | 1 | 170 | 50 | |
* Chicken (Avian, Duck, Turkey, Guinea fowl), NC: North-Central, NE: North-East, NW: North-West, SE: South-East, SS: South-South, SW: South-West.