2021
DOI: 10.1002/lipd.12304
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Transfer of Lauric and Myristic Acid from Black Soldier Fly Larval Lipids to Egg Yolk Lipids of Hens Is Low

Abstract: Implementing insects, such as the black soldier fly larvae (BSFL), as animal feed commonly includes the previous removal of substantial amounts of fat. This fat may represent an as yet underutilized energy source for livestock. However, transfer of lauric and myristic acid, prevalent in BSFL fat and undesired in human nutrition, into animal-source foods like eggs may limit its implementation. To quantify this, a laying hen experiment was performed comprising five different diets (10 hens/diet). These were a co… Show more

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Cited by 13 publications
(16 citation statements)
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“…Therefore, while the use of insect larval fat is predetermined by its composition and properties, its full targeted use is still hampered by the lack of a complete understanding of its possible utilization. Studies on the applicability of insect fat have been conducted on broilers [ 57 , 71 , 72 ], laying hens [ 73 ], turkeys [ 62 ], rabbits [ 74 ] and fish [ 75 ]. Although BSFLF is rich primarily in lauric acid, the effect of lauric acid, as well as BSFLF on rumen bacteria is less well known [ 76 ].…”
Section: Discussionmentioning
confidence: 99%
“…Therefore, while the use of insect larval fat is predetermined by its composition and properties, its full targeted use is still hampered by the lack of a complete understanding of its possible utilization. Studies on the applicability of insect fat have been conducted on broilers [ 57 , 71 , 72 ], laying hens [ 73 ], turkeys [ 62 ], rabbits [ 74 ] and fish [ 75 ]. Although BSFLF is rich primarily in lauric acid, the effect of lauric acid, as well as BSFLF on rumen bacteria is less well known [ 76 ].…”
Section: Discussionmentioning
confidence: 99%
“…Al-Qazzaz et al (2016) were even able to show that feeding diets based on BSFL may positively influence sensory palatability and texture of the eggs, traits which could not be sensorily investigated in the present study due to the legal reasons outlined above. One aspect, not specifically looked at in the present study but in the previous experiment (Heuel et al, 2021b), is the degree to which the large amounts of lauric, myristic and palmitic acid present in the BSFL fat are accumulating in the egg lipids. These fatty acids are considered unfavourable for human health (Calder, 2015).…”
Section: Discussionmentioning
confidence: 73%
“…, 2019 ). Previously, it has been reported that the high level of fatty acids in BSFL meal, such as myristic and palmitic acid, could be transferred to the yolk, but they did not affect yolk weight ( Heuel et al . , 2021b ).…”
Section: Discussionmentioning
confidence: 99%