Table 11. 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 21)

Item6) Treatment2,3) SEM p-value
Confinement4) Field5) Model Location7) Feed8) Location × Feed
CALF CBAR FALF FBAR
Trichostrongyle type EPG 50.92 10.97 28.51 18.31 0.51 0.29 0.92 0.04 0.24
Nematodirus spp. EPG 9.99ab 0.52c 20.62a 5.60b 0.53 < 0.01 0.02 < 0.01 0.40
Start date for all treatments was September 4th; End date for field and confinement treatments was November 4th.
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.
Least Square Means within a row with different superscripts differ (p < 0.10).