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Genetic variance of physiological characters in the cape honeybee

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Journal of Apicultural Research
Vol. 26 (1) pp. 30-36
Date
March 1987
Article Title

Genetic variance of physiological characters in the cape honeybee

Author(s)

Elke Hillesheim, And Robin F. A. Moritz

Abstract

Various genetic and environmental variance components of cold resistance and oxygen consumption at rest of freshly emerged workers of the Cape honeybee Apis Mellifera capensis were estimated. Estimates for heritabilities from a sib-analysis  (hs2 =0.37 - 0.41) were considerably larger than from a parent-offspring regression (hr2 = 0.13 - 0,15) or the estimate of the realized heritability (h2 real = 0.13 - 0.2). Effects of common hive environment are the most likely cause for this bias in the estimate of hs2

Keywords

Bee genetics, physiological characterisation, cape honeybee, Apis Mellifera capensis, heritability

 
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