2021
DOI: 10.1007/s13592-021-00896-0
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Fatty acid homeostasis in honey bees (Apis mellifera) fed commercial diet supplements

Abstract: Honey bees obtain lipids from pollen or commercial supplements. These supplements do not fully support colony health. We tested the hypothesis that supplements are deficient because they lack essential fatty acids (EFAs). The five supplements we tested had low linolenic (⍵3) acid and were unbalanced (⍵6:⍵3 > 6) compared to natural pollen. We selected two of these supplements for further study because they had different levels of individual EFAs and different ⍵6:⍵3 ratios. Bees from hives fed these different… Show more

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Cited by 11 publications
(8 citation statements)
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“…Although linoleic and linolenic acids both have been previously detected in honey bees (Blum et al, 1967;Corby-Harris et al, 2021;Vyshchur et al, 2019), we only detected linoleic and not linolenic acid in this study. Nevertheless, few studies have measured free fatty acids in newly emerged bees, previously, where linoleic and linolenic acids were detected in substantially lower concentrations (or only traces) in newly emerged bees compared with few days old adult bees (Manning, 2002;Robinson & Nation, 1970).…”
Section: Differentially Abundant Lipids and Their Availability During...contrasting
confidence: 64%
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“…Although linoleic and linolenic acids both have been previously detected in honey bees (Blum et al, 1967;Corby-Harris et al, 2021;Vyshchur et al, 2019), we only detected linoleic and not linolenic acid in this study. Nevertheless, few studies have measured free fatty acids in newly emerged bees, previously, where linoleic and linolenic acids were detected in substantially lower concentrations (or only traces) in newly emerged bees compared with few days old adult bees (Manning, 2002;Robinson & Nation, 1970).…”
Section: Differentially Abundant Lipids and Their Availability During...contrasting
confidence: 64%
“…Hence, lipid restrictions affect the social organisation, health, hive duties and productivity of the whole colony, but bees appear to regulate their fat intake by a mechanism that is not yet completely known (Ament et al, 2010;Ament et al, 2011;Corby-Harris et al, 2021;Stabler et al, 2021).…”
Section: Introductionmentioning
confidence: 99%
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“…The lipid pool of pollen is very diverse and includes fatty acids, triacylglycerols, sphingolipids, galactolipids, glycerophospholipids and sterols [15]. Bees can synthesize many fatty acids and phospholipids [13] but require a dietary source of two polyunsaturated fatty acids (PUFA)—linoleic acid and α-linolenic acid [16]—and sterols [17]. However, the total fatty acid pool and total sterol pool compose only a small fraction of the total lipid pool in pollen.…”
Section: Introductionmentioning
confidence: 99%