期刊
JOURNAL OF ANIMAL BREEDING AND GENETICS
卷 117, 期 6, 页码 417-424出版社
WILEY
DOI: 10.1046/j.1439-0388.2000.00271.x
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The hygienic behaviour of the honey bees is considered to be a potential characteristic associated with resistance to Varroa destructor n.sp. In this study the heritability of the hygienic behaviour of L. bees was estimated on the basis of the mother-daughter regression. Data were measurements of the bees' hygienic behaviour towards V. destrutor-infested cells and towards pin-killed sealed brood. The heritability for the hygienic behaviour towards V. destructor-infested brood cells was h(2) = 0.18 (+/- 0.27) and h(2) = 0.36 (+/- 0.30) for the hygienic behaviour towards dead brood cells. The repeatability was likewise higher for the pin-killed brood assay (W=0.46) compared with the assay using living mites-infested Ibrood cells (W = 0.24). The genetic correlation between the behavioural responses to either the mite infested or pin-killed brood cells was calculated to be r(g)=0.61 (+/- 0.51) and the phenotypic correlation to be r(p)=0.11 (p=0.28, n=100). Since hygienic colonies demonstrate resistance to brood diseases such as American foulbrood and chalk-brood, it may be worthwhile to intensify the expression of the hygienic behaviour through selective breeding and thus strengthen these potential characteristics associated with resistance to V. destructor in honey bee stock.
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