Table 1

Experimental design and distribution of lambs according to breed, age and live weight (mean ± s.d.) at turn-out May 3.

Group
n
Strategic anthelmintic treatments (wks. 3+6–8)
Grazing management
Lambs at turn-out









Breed
Age (days)
Live weight (kg)











(L × F) × T1
L × F2



TS
8
+
Set-stocked (paddock A)
6
2
44 ± 8
10.6 ± 2.5
TM
8
+
Moved (paddock A to B)
4
4
43 ± 9
9.6 ± 2.1
US
8
-
Set-stocked (paddock C)
6
2
47 ± 4
10.1 ± 1.6
UM
8
-
Moved (paddock C to D)
4
4
45 ± 4
9.5 ± 2.1

1 (Leicester × Finn) × Texel. 2 Leicester × Finn.

TS = treated and set-stocked. TM = treated and moved. US = untreated and set-stocked. UM = untreated and moved.

Boa et al. Acta Veterinaria Scandinavica 2001 42:57   doi:10.1186/1751-0147-42-57