Sheep GEMS News Brief 5 – late-August 2024 In the U.S., the disease Ovine Progressive Pneumonia (OPP) causes extensive welfare and financial losses due to decreased ewe productivity of about 20% and eventual culling or death of breeding stock. Surveys of U.S. sheep have shown that 36% of sheep operations
Sheep GEMS News Brief 4 – mid-August 2024 The Sheep GEMS project, together with NSIP members and other sheep industry organizations, have been working to create the building blocks for the implementation of genomic selection in the U.S. sheep industry. In this second article of the Sheep GEMS update related
Sheep GEMS News Brief 3 – July 2024 Genomic information has been used in many livestock breeding programs for four primary applications: 1) parentage identification, 2) identification of carriers of genetic conditions, 3) evaluation of individual and populational genetic diversity, and 4) prediction of the genetic merit of selection candidates
Sheep GEMS News Brief 2 – May 2024 As a reminder, GEMS stands for Genetics, Environment, Management and Society. In Sheep GEMS we are interested in the interactions among these elements of a production system. As our starting point, we focused on the first three bits, namely Genetics, Environment and
Sheep GEMS News Brief 1 – April 2024 GEMS stands for Genetics, Environment, Management and Society, which are four pillars of our sheep industry. Why so? In the U.S., distinct breed-types are spread across climatically diverse regions and management systems. Breeding robust sheep that perform well under these conditions is
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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