Table 2 Mean worm burdens in the abomasum and small intestine of lambs with incoming nematode infections either untreated, receiving daily mineral supplement with copper, or receiving COWP.
From: Evaluation of Copper Supplementation to Control Haemonchus contortusInfections of Sheep in Sweden
Group 4 Control | Group 5 Cu Supplement | p value 4 v's 5 | Group 6 COWP | p value 4 v's 6 | |
|---|---|---|---|---|---|
Abomasum | |||||
H. contortus | |||||
Adults | 285 | 570 | 0.04 | 250 | 0.79 |
Early L4 | 1465 | 1830 | 0.22 | 1280 | 0.52 |
Total | 1750 (84%) | 2400 (76%) | 0.04 | 1530 (84%) | 0.44 |
T. circumcincta | |||||
Adults | 60 | 15 | 0.38 | 65 | 0.85 |
Early L4 | 50 | 70 | 0.66 | 40 | 0.82 |
Total | 110 (45%) | 85 (82%) | 0.74 | 105 (40%) | 0.84 |
T. axei | |||||
Adults | 110 | 30 | 0.06 | 50 | 0.13 |
Early L4 | 0 | 0 | 5 | ||
Total | 110 | 30 | 0.06 | 55 (10%) | 0.13 |
Small Intestine | |||||
Trichostrongylus spp. | |||||
Adults | 85 | 85 | - | 160 | 0.07 |
L4 | 65 | 0 | 0 | ||
Total | 150 | 85 | 160 | 0.07 | |
Nematodirus spp. | |||||
Adults | 50 | 65 | 0.91 | 215 | 0.25 |
L4 | 0 | 0 | 35 | ||
Total | 50 | 65 | 0.91 | 250 | 0.25 |
Cooperia spp. | |||||
Adults | 10 | 30 | 0 | ||
L4 | 10 | 30 | 0 | ||
Total | 20 | 60 (50%) | 0 |