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Subject:	Adding hygienic to non-hygienic
From:	Peter Borst <[log in to unmask]>
Reply To:	Informed Discussion of Beekeeping Issues and Bee Biology <[log in to unmask]>
Date:	Sun, 29 Oct 2023 18:12:38 -0400
Content-Type:	text/plain
Parts/Attachments:	text/plain (11 lines)

> Adding 20–30% young hygienic bees to non-hygienic colonies did not increase the degree of hygienic behaviour, but adding young non-hygienic bees to hygienic colonies suppressed the behaviour.  — Spivak, Gilliam.  (1993) Journal of Apicultural Research 32(3/4): 147-157

> Odor learning and odor discrimination were tested in a line of honeybees selected for increased hygienic behavior (HB) against the Varroa mite and compared with control bees (CB). Olfactory proboscis extension conditioning was used to quantify learning, discrimination, and generalization. Retention tests were performed after 1 h and after 1 day to probe the stability of memory. HB and CB did not differ in their learning, discriminating, generalizing, and remembering behavior when pairs of floral odors and pairs of sting pheromone and floral odor were tested. — CHAKROBORTY, BIENEFELD, MENZEL, (2015) Odor learning and odor discrimination of bees selected for enhanced hygienic behavior. Apidologie 46:499–514

PLB

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