Comparison of the longevity and lifetime performance of Scottish Blackface ewes and their crosses within hill sheep flocks
A study was undertaken to compare the longevity and lifetime lamb output of purebred Scottish Blackface (BF) ewes with a range of crossbred genotypes from Scottish BF dams. For up to five successive breeding seasons, 1143 Scottish BF, Swaledale × BF (SW × BF), North Country Cheviot × BF (CH × BF), L...
Main Authors: | , , , , , |
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Format: | Article |
Language: | English |
Published: |
Elsevier
2011-01-01
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Series: | Animal |
Subjects: | |
Online Access: | http://www.sciencedirect.com/science/article/pii/S1751731110002107 |