Animal feeds and feeding strategies: the research behind ...

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WEBINAR

Animal feed preservation:

the research behind improved efficiency

16.9.2020

Marcia FrancoResearch Scientist

Marketta RinneResearch Professor

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Artturi I. Virtanen

Nobel Prize in Chemistry 1945Expectation x Reality

Andy Kelly

Luca Basili

@Maaninka/Luke

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Structure, facilities and possibilities

Timothy

Red clover

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Structure, facilities and

possibilities

Cereals

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Structure, facilities and

possibilities

Faba beans

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Pilot scale ensiling experiments

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Pilot scale ensiling experiments

©Luke / Marketta Rinne

Treatment application and ensiling

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Cylindrical silos – Pilot scale ensiling experiment

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Experimental silos

Vacuum plastic bags & Jars

Pilot scale ensiling experiments

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Maize silage making: novel under Finnish climatic conditions

Pilot scale ensiling experiments

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20@Luke / Juho Pirttiniemi, Léa Piou & Marcia Franco

Maize: Opened after

4 months of ensiling

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@Luke / Marketta Rinne

Farm scale ensiling experiments

@Luke / Marcia Franco

Bunkers / Clamps

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Farm scale ensiling experiments

Bunkers / Clamps

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@Luke / Juho Pirttiniemi@Luke / Marketta Rinne

Farm scale ensiling experiments Bunkers / Clamps

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Farm scale ensiling experiments

Bales

@Luke / Marketta Rinne

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✓Chemical composition

✓Fermentation quality

✓Aerobic stability

Opening silos + analyses

✓Microbial quality

✓Bacterial communities

(DNA extraction + sequencing)

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Silage Metagenomics – Genomic tools can improve ensiling

Abundance of bacterial populations of grass silage treated with additives under different compaction and soil contamination levels

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100g_Stenotrophomonasf_Comamonadaceaeg_Sphingomonasg_Rhizobiumg_Agrobacteriumg_Devosiaf_Aurantimonadaceag_Mycoplanaf_Leuconostocaceaeg_Pediococcusg_Lactobacillusf_Lactobacillaceaeg_Enterococcusg_Pedobacterf_Sphingobacteriaceaeg_Cryocola

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These new technologies related to whole

comparative genomics and metagenomics

can give us far more detailed information

about microbiota of raw material and silage

than classic microbiology.

1. Farm scale twin screw press (Haarslev) 2. Farm scale single screw press (Pellon)

Farm scale

©Luke / Marcia Franco & Marketta Rinne

1st step of biorefinery

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Liquid-solid separation

Biorefinery

4. Laboratory scale pneumatic press (Luke)3. Laboratory scale twin screw press (Angel Juicer)

©Luke / Marcia Franco & Tomasz Stefański

Laboratory scaleBiorefinery

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Preservation of whole grain

Aerobic stability

One year experiment

©Luke / Marcia Franco & Marketta Rinne

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Probe 59

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Aerobic stability – Different approaches

©Luke / Marcia Franco, Marketta Rinne & Taina Jalava

✓Mould score

✓CO2 production

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y = 0.9523x - 16.962R² = 0.936

y = 0.951x + 1.4331R² = 0.979

y = 0.8036x + 20.791R² = 0.567

y = 0.6664x + 47.619R² = 0.528

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Aerobic stability, hours

CO2 threshold 1mg

CO2 threshold 2mg

Score threshold Score 1

Score threshold Score 2

Correlation between increase in temperature and the alternative methods to evaluate aerobic stability

Crimped wheat grain

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Sustainability – Improving shelf life of by-product & its use as animal feed

©Luke / Marcia Franco & Marketta Rinne

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Effect of potato by-product on total mixed ration stability, feed intake, diet

digestibility and milk production in dairy cows

Thank you!

Marcia FrancoResearch Scientist

+358 29 532 2108

[email protected]