Table 9. Ending counts of internal parasite eggs per gram (EPG) in crossbred lambs consuming either a forage or grain based diet while in confinement or on wheat stubble fields in yr 11)
Item6) | Treatment2,3) | SEM | p-value |
Confinement4) | Field5) | Model | Location7) | Feed8) | Location × Feed |
CALF | CBAR | FALF | FBAR |
Trichostrongyle type EPG | 6.95 | 3.86 | 9.98 | 3.95 | 0.52 | 0.05 | 0.70 | 0.16 | 0.73 |
Nematodirus spp. EPG | 10.57 | 3.34 | 12.98 | 2.67 | 0.58 | 0.11 | 0.98 | 0.02 | 0.72 |
Start date for all treatments was September 26th; End date for field and confinement treatments was November 25th.
Pen is the experimental unit, 3 sheep per replicate confinement, 6 sheep per replicate field; six replicates per treatment.
Diets were provided to allow for ad libitum intake.
CALF: pellet containing 71% alfalfa, 18% barley, 5% molasses, and 6% vitamin/mineral package; CBAR: pellet containing 60% barley, 26% alfalfa, 4% molasses, 2.5% soybean-hi pro, and 7.5% vitamin/mineral package.
FALF: field fed pellet containing 71% alfalfa, 18% barley, 5% molasses, and 6% vitamin/mineral package; FBAR: field fed pellet containing 60% barley, 26% alfalfa, 4% molasses, 2.5% soybean-hi pro, and 7.5% vitamin/mineral package.
All counts had an addition of a constant of 1 then were LOG transformed.
Location, confinement or field finish.
Feed, alfalfa or barley pellets.