Table 2. Performance of crossbred lambs consuming either a forage or grain based diet while in confinement or on wheat stubble fields in yr 11)

Item Treatment2,3) SEM p-value
Confinement4) Field5) Model Location6) Feed7) Location × Feed
CALF CBAR FALF FBAR
Ending BW8) (kg) 50.6 50.5 51.3 49.5 0.78 0.49 0.85 0.24 0.30
ADG (kg/d) 0.25 0.25 0.26 0.23 0.01 0.49 0.83 0.21 0.30
DMI (kg/d) 2.09a 1.67b 2.09a 1.62b 0.05 < 0.01 0.59 < 0.01 0.64
Gain to feed 0.12b 0.15a 0.13b 0.14a 0.01 0.01 0.74 0.01 0.36
Cost of gain ($/kg) 4.33a 3.09b 3.95a 3.14b 0.21 0.00 0.42 < 0.01 0.29
Start date for all treatments was September 26th.
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.
Location, confinement or field finish.
Feed, alfalfa or barley pellets.
End date for field and confinement treatments was November 25th.
Least Square Means within a row with different superscripts differ (p < 0.10).
BW, body weight; ADG, average daily gain; DMI, dry matter.