Most shepherds have probably heard of OPP as it is one of the three diseases included in the biosecurity panels that many laboratories offer. The USDA Sheep 2001 study tested over 21,000 samples from 682 randomly selected flocks country wide to collect data on the prevalence of OPP. They found that 36.4% of flocks had one or more animals that tested positive and overall, 24.2% of the animals tested were positive for OPP.…
With decreasing numbers of sheep extension agents, sheep research professors and small ruminant DVMs, our options for finding knowledgeable experts are becoming more limited. At the same time, the number of sheep "experts" on Facebook, YouTube and other social media is growing exponentially. Today, sheep producers are able to obtain "expert" advice from across the country or around the world in a matter of seconds. While advances in technology have shaped the way…
Gestation in sheep varies from 142 to 152 days with the average being 147 days. Just like people, individual pregnancies can vary, gestation periods of 138 to 159 days are not unheard of. Ewes carrying multiple lambs tend to have shorter gestations while male lambs (and heavy birth weight lambs) are usually carried for longer than female lambs. The form above calculates the lambing date based on a 147 day gestation period.
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