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Chill sensitivity of honey bee, Apis mellifera, embryos.

Author(s) : COLLINS A. M., MAZUR P.

Type of article: Article

Summary

Improved methods for preservation of honey bee, Apis mellifera L., germplasm would be very welcome to beekeeping industry queen breeders. The introduction of two parasites and the emergence of an antibiotic resistant disease have increased demands for resistant stock. Techniques for artificial insemination of queens are available, and semen has been cryopreserved with limited success. However, cryopreservation of embryos for rearing queens would mesh well with current practices and also provide drones (haploid males). Eggs at five ages between twenty-four hours and sixty-two hours were exposed to 0, -6.6, and/or -15°C for various times, and successful hatch measured. Honey bee embryos show chill sensitivity as do other insect embryos, and the rate of chill injury increases dramatically with decrease in holding temperature. The 48 h embryos in both groups showed the greatest tolerance to chilling, although 44 h embryos were only slightly less so. [Reprinted with permission from Elsevier. Copyright, 2006].

Details

  • Original title: Chill sensitivity of honey bee, Apis mellifera, embryos.
  • Record ID : 2006-3219
  • Languages: English
  • Source: Cryobiology - vol. 53 - n. 1
  • Publication date: 2006/08

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