Kim Jensen
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Using gas exchange measurements to monitor growth, energy expenditure, and body composition of black soldier fly larvae ( <i>Hermetia illucens</i> ) on diets varying in protein-to-carbohydrate ratio Open
Optimizing black soldier fly larvae (BSFL) production requires a better understanding of how diet composition shapes growth, nutrient allocation, and metabolic efficiency. This study investigated whether respiratory measurements could serv…
Consequences of dietary amino acid imbalance on growth and gas exchange in black soldier fly ( <i>Hermetia illucens</i> ) larvae Open
Black soldier fly larvae ( Hermetia illucens (L.); BSFL) production relies on efficient nutrient conversion into protein-rich biomass to ensure sustainability and economic viability. While the effects of dietary protein content and macronu…
Optimal dietary protein content and essential amino acid limitation in larvae of the black soldier fly (Hermetia illucens) Open
A balanced diet is known to maximize animal performance, but a direct effect of dietary essential amino acid imbalance has rarely been demonstrated in insects. We show that deficiency in certain essential amino acids can be measured direct…
Controlled and polygynous mating in the black soldier fly: advancing breeding programs utilizing quantitative genetic designs Open
In animal breeding programs, utilizing quantitative genetic designs such as the full-/half-sibling design is fundamental. A full-/half-sibling design demands that mating can be controlled, and individuals can be tracked, enabling construct…
View article: Prediction of amino acid content in live black soldier fly larvae using near infrared spectroscopy
Prediction of amino acid content in live black soldier fly larvae using near infrared spectroscopy Open
Black soldier fly (Hermetia illucens) larvae are emerging as a sustainable protein source for animal feed and human nutrition. Ensuring consistent amino acid composition is crucial for quality control, necessitating rapid, non-destructive …
Strong potential for selection for larger larval size in the black soldier fly (Hermetia illucens) Open
Using selective breeding to increase the size of larvae is a potential strategy to make insect production more efficient. Based on observations in other insect species, we hypothesized that larval size in black soldier flies (Hermetia illu…
Effect of temperature on growth, metabolism, and gas exchange in Hermetia illucens larvae reared under commercial and laboratory conditions Open
The world’s socio-economic development is continuously increasing the demand for efficient production of food, feed, and energy from the agricultural sector. In this respect, the emerging production of black soldier fly larvae (BSFL) repre…
Controlled and polygynous mating in the black soldier fly: advancing breeding programs utilizing quantitative genetic designs Open
In animal breeding programs, utilizing quantitative genetic designs such as the full-/half-sibling design is fundamental. A full-/half-sibling design demands that mating can be controlled, and individuals can be tracked, enabling construct…
A bio-economic model for estimating economic values of important production traits in the black soldier fly (Hermetia illucens) Open
Black soldier fly (BSF) larvae are exceptionally efficient at converting otherwise unusable waste products, while having a minimal impact on the environment. To optimise the production of BSF larvae, selective breeding could be used. With …
Danish initiatives in selective breeding in insects Open
Commercial insect production for food or feed offers a sustainable solution to mitigate the food crisis with the increasing world population. However, to optimize insect production, the large and yet unexploited selective breeding potentia…
Rapid Evolutionary Adaptation to Diet Composition in the Black Soldier Fly (Hermetia illucens) Open
Genetic adaptation of Hermetia illucens (BSF) to suboptimal single sourced waste streams can open new perspectives for insect production. Here, four BSF lines were maintained on a single sourced, low-quality wheat bran diet (WB) or on a hi…
Rapid Evolutionary Adaptation to Diet Composition in Black Soldier Fly (<em>Hermetia illucens</em>) Open
Genetic adaptation of Hermetia illucens (BSF) to suboptimal single sourced wastes can open new perspectives for insect production. Here, four replicate BSF lines were maintained on a single sourced, low-quality wheat bran diet (WB) or on a…
Ovarian apoptosis is regulated by carbohydrate intake but not by protein intake in speckled cockroaches Open
When the likelihood of reproducing successfully is low, any prior investment in developing oocytes may be wasted. One means of recouping this investment is oosorption - where ova are absorbed and resources salvaged so they can be re-alloca…
Pilot scale production of Hermetia illucens (L.) larvae and frass using former foodstuffs Open
The food and feed sector requires new sustainable sources of protein and innovative solutions for upcycling of food waste (former foodstuffs), which today is downcycled into energy or even wasted. This study aimed at evaluating the use of …
Intralocus sexual conflict over optimal nutrient intake and the evolution of sex differences in life span and reproduction Open
Despite widespread variation in life span across species, three clear patterns exist: sex differences in life span are ubiquitous, life span is commonly traded against reproduction, and nutrition has a major influence on these traits and h…
Survival and predation rate of wild-caught and commercially produced <i>Orius majusculus</i> (Reuter) (Hemiptera: Anthocoridae) Open
The quality of biological control agents used in augmentative releases may be affected by rearing conditions due to inbreeding or laboratory adaptation, or to phenotypic effects of the rearing environment. We hypothesized that individuals …
Geometric Stoichiometry: Unifying Concepts of Animal Nutrition to Understand How Protein-Rich Diets Can Be “Too Much of a Good Thing” Open
Understanding the factors that control the growth of heterotrophic organisms is central to predicting food web interactions and biogeochemical cycling within ecosystems. We present a new framework, Geometric Stoichiometry (GS), that unifie…
Food quality of <i>Ephestia</i> eggs, the aphid <i>Rhopalosiphum padi</i> and mixed diet for <i>Orius majusculus</i> Open
We studied the food quality of the aphid Rhopalosiphum padi to the pirate bug Orius majusculus using Ephestia eggs as high‐quality comparison prey. Several performance parameters were tested on individuals that had been reared and maintain…
IT tools and standards supporting mass customisation in the building industry Open
Research demonstrate that productivity in the Danish building and construction industry has only doubled over the last fifty years, whereas the manufacturing industry has increased six times. Utilisation of mass customization as a strategy…