Table 12. Worm burden in the abomasum and first meter of the small intestine 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
Abomasum total count 49 15 12 44 1.50 0.88 0.93 0.98 0.44
Teladorsagia circumcincta 41 15 12 44 1.48 0.90 0.98 0.94 0.47
Haemonchus contortus 6a 0b 0b 0b 0.57 0.07 0.11 0.11 0.11
Small Intestine total count 29 0 3 3 1.10 0.23 0.74 0.14 0.16
Teladorsagia circumcincta 2 0 0 0 0.58 0.43 0.34 0.34 0.34
Nematodirus 8 0 3 3 1.14 0.60 0.86 0.32 0.37
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).