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  • 1985-1989  (2)
  • 1975-1979
  • Copenhagen disease  (1)
  • Genetic gain  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Progressive non-infectious anterior vertebral fusion (1986)
    Springer
    Skeletal radiology 15 (1986), S. 599-604 
    Details
    ISSN: 1432-2161
    Keywords: Progressive non-infectious anterior vertebral fusion ; Vertebral ankylosis ; Scheuermann disease ; thalidomide embryopathy ; Copenhagen disease
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Four cases of progressive non-infectious anterior vertebral fusion are described. Three cases remain relatively asymptomatic, but one has developed spinal cord compression secondary to an acute angled kyphosis. The clinical, radiological, and pathological features are reviewed and some comparisons with the spinal changes in thalidomide embryopathy are made.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00349851
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Maximizing gain per effort by using clonal replicates in genetic tests (1985)
    Springer
    Theoretical and applied genetics 71 (1985), S. 392-399 
    Details
    ISSN: 1432-2242
    Keywords: Selection efficiency ; Clonal replication ; Genetic gain ; Forest trees
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Models for predicting cummulative genetic gain from recurrent selection applicable to predominantly outcrossing plant species are derived to include the effect of observations on clonal replicates (ramets) in addition to observations on individuals and family means. Such models are discussed with special reference to forest trees. The consequence of redistributing effort from individuals to ramets is investigated for several conditions with a fixed number of families and fixed total test size. Factors that affect the distribution of variance among sources and factors that affect individual selection intensity are the primary determinants of the optimum distribution of effort. The optimum number of ramets ranged from 1 to 6 for the conditions tested and the efficiency of redistribution (ratio of gain for the optimum distribution to the gain for the single-ramet, or non-clonal case) ranged from 1.00 to 1.20. Using clonal replicates in genetic tests usually results in increased cummulative genetic gain relative to non-clonal tests, without an increase in test effort.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00251178
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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