research and development efforts on optimizing key parameters … · 2018. 10. 1. · dmri,...
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Research and development efforts on optimizing key parameters in industrial insect production
EAAP 2018, 29 August Lars-Henrik Lau Heckmann, Technology manager, DTI
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Insect value chain @DTI
Int value
chain @DTI
x
Main challenges of the insect industry
▪ Upscaling (industrial level)
▪ Legal barriers (EU) in feed and food
▪ Consumer acceptance
Generic production process
Focus areas of DTI Insect Production Team
Danish public R&D projects 2017/18 (>100k €)DTI lead highlighted in bold
Mealworms
▪ inVALUABLE (3.7M €, IFD)
▪ SUSMEAL (1.1M €, IFD, Eurostars)
▪ VALIN (175k €, GUDP)
▪ Wholi Foods (~100k €, IFD)
▪ ENORM (~100k €, IFD)
▪ NLF (135k €, IFD)
▪ Ikadan (135k €, IFD)
Black Solider Fly (BSF)
▪ WICE (390k €, MUDP)
▪ SUPERIOR (375k €, MU<DP)
▪ Green Biorefining (360k €, F&I)
▪ BIOFISK (~100k €, Interreg/EU)
Crickets
▪ GREEINSECT (1.34M €, DANIDA)
▪ Syngja (200k €, IFD)
▪ Synjga2 (185 €, FFI)
>7M € portfolio
Black Soldier Fly (Hermetia illucens)
▪ Assessment of the suitability of different feeding substrates
▪ Optimization of BSFL growth and Feed Conversion Ratio (FCR)
▪ Optimization of reproductive output
Performance of BSFL reared on different substrates
Substrates tested(Project)
Applicability FCR (dry matter)
Grass, lucerne and red clover (Green Biorefining)
N/A (tested individually at 100% inclusion level)
-
Spent grains + different carbohydrate-rich by-products (SUPERIOR)
Medium-high -
Dairy by-products (SUPERIOR) Medium -
Beach cast + spent grains (BIOFISK) Low 7-10
Beach cast + catering waste (BIOFISK) Medium 3-7
Catering waste (WICE) High 1.6-2.4
Chicken feed High 2.0-2.8
Optimization of BSFL reared on chicken feed
FCR (dry matter basis) of BSFL batches produced between September 2017-August 2018
Larval biomass (dry matter basis) of BSFL batches produced between September 2017- August 2018
Feeding amount, feeding frequency, feed conditioning, larval density
- 2 4 6 8
10 12 14 16 18 20 22 24 26
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15kg
/m³
-
1,0
2,0
3,0
4,0
5,0
6,0
7,0
8,0
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
FCR
Reproduction of BSF – optimizing fly density
Production of eggs per female at different fly densities (avg±sd)
Total egg production per cage at different fly densities (avg±sd)
646
546
277
DENSITY 1: 1000
DENSITY 2: 1600
DENSITY 3:2300
No e
ggs/
fem
ale
Adult density
8.8
11.8
8.4
DENSITY 1: 1000
DENSITY 2: 1600
DENSITY 3:2300
Eggs/
cage (
g)
Adult density
Common mealworm (Tenebrio molitor)
▪ Reproduction (adult density and egg production)
▪ Larval growth and biomass output
▪ GHG and heat production
▪ Computational Fluid Dynamic (CFD) modelling
0
100
200
300
400
0.11 0.21 0.42 0.84
Density (beetles/cm2)
Tota
l num
ber
of la
rvae
0
5
10
15
20
0.11 0.21 0.42 0.84
Density (beetles/cm2)
Larv
ae / fem
ale
/ d
ay
Tenebrio reproduction @ lab-scale
Tenebrio reproduction @ pilot-scale
Week (1-8)*100 g eggs = ~1.7 mill. eggs
T. molitor T. molitor
Tenebrio larval growth and respiration @ lab-scale
Tenebrio larval growth @ pilot-scale
Measurement of key parameters @ pilot-scaleCO2 and other GHG
Day 46-47 (high resolution)GHG emission as CO2-equiv. of T. molitor larvae (age 36-48)
Measurement of key parameters @ pilot-scale Temperature/heat production
Analysis of heat production of T. molitorlarvae (age 42 and 54)
Measurement period(stable heat production)
Insulation box for measurement of heat production
Final output: Calculation of heat production over time applicable for assessment at insect production level
CFD modelling: Simulation of key parameters @ large-scale
3D virtual models simulating,
e.g. temperature (shown) orgases (CO2 and other GHG,
not shown)
Insect value
THANK YOU!
Lars-Henrik Heckmann
M: +45 7220 1537