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WHEN WAS JESUS BORN?: M. M. NINAN<br />
body produces. Pregnant ewes, in which growth of the fetus results in<br />
heat production, stay even warmer as their pregnancy progresses. In<br />
fact, ewes carrying multiple fetuses have to increase their respiratory<br />
rate just to get rid of body heat….<br />
Keeping sheep outside during the winter benefits both the sheep and the<br />
shepherd. The sheep benefit from better ventilation and increased<br />
exercise. Most of the cases of respiratory disease that I treat in sheep<br />
occur in animals that are housed in a barn during cold weather. The<br />
cause is the build-up of moisture and ammonia in the air. …<br />
Flocks kept outside during the winter have a few special needs. These<br />
include shelter from the wind, proper nutrition and water. During<br />
storms, they need access to a windbreak. Shelter need not be fancy. It<br />
can be a tree line, the down wind side of a hill, a row of round bales, or<br />
the side of a building. On very cold calm nights the sheep will bed<br />
down comfortably but their long wool may become frozen to the<br />
ground by morning. Smaller sheep may need help getting up. …..<br />
Sheep readily eat snow to meet their water needs. ….<br />
While adult sheep can handle severe cold and wet quite well, newborn<br />
lambs cannot.. ….<br />
+++++++++++++++++++++++++<br />
Wintertime Ventilation Needs of Sheep<br />
Robert Chambers P.Eng<br />
Engineer, Swine and Sheep Housing and Equipment<br />
OMAFRA<br />
79
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