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Polymorphism of the ovine β₃-adrenergic receptor gene (ADRB3) and its association with wool mean staple strength and yield
Ist Teil von
Animal genetics, 2009-12, Vol.40 (6), p.958-962
Ort / Verlag
Oxford, UK: Oxford, UK : Blackwell Publishing Ltd
Erscheinungsjahr
2009
Quelle
Wiley Blackwell Single Titles
Beschreibungen/Notizen
We investigated the possibility that variation in ovine ADRB3 is associated with various wool traits, in particular mean staple strength (MSS). Polymerase chain reaction-single strand conformational polymorphism analysis of part of the ADRB3 intron was used to genotype 695 Merino lambs born on three farms in the South Island of New Zealand and which were shorn as 2-tooths. For each fleece, MSS, mean fibre diameter, mean staple length and yield were measured. The results from mixed-effects models and half-sib analyses suggest that ADRB3 alleles A and D have a negative impact on some wool traits, whereas ADRB3 alleles C and E appear to have a positive impact, with allele C potentially having a greater impact than allele E on MSS. This variation in the ADRB3 may assist in the genetic selection for increased MSS and yield in Merino sheep.