between the groups, and daily CP intake and NDF intake therefore
have the homologous change pattern with the roughage
intake. This can explain why the average daily weight gain of
the lambs did not showed the same significant effect as total
DMI. Our experiment was conducted from June to September; the
average maximum temperature was 29 ◦C (extreme temperatures
reached 36 ◦C in July and August). The experimental animals were
exposed to the sun from 9:30 am to 5:00 pm because the roof
of the shed was 3 meters high and the animals were arranged
on the sunny side of the barn.