Certification of silage additives and feed preservatives

Silage additive category 1 (improvement of the fermentation process)

• Active ingredient composition and compliance with the declaration
• Biological products:
  • Osmotolerance and water capacity value of the bacteria
• Laboratory silo tests against untreated samples:
  • difficult-to-ensile fodder (category 1a)
  • medium to easy-to-ensile fodder with a low dry matter content (category 1 b)
  • medium to easy-to-ensile fodder with a high dry matter content (category 1 c)
• Dry matter, dry matter losses, fermentation losses, pH value (acidification process)
• Fermentation acid pattern of the silage (lactic acid, acetic acid, propionic acid, butyric acid)
• Silage content of NH3 nitrogen, total nitrogen, alcohols
• Aerobic stability of the silage after 49 days of ensiling

Silage additive category 2 (improvement of aerobic stability)

• Active ingredient composition and compliance with the declaration
• Biological products:
  • Osmotolerance and water capacity value of the bacteria
• Laboratory silo tests against untreated samples
• Dry matter, dry matter losses, fermentation losses, pH value (acidification process)
• Fermentation acid pattern of the silage (lactic acid, acetic acid, propionic acid, butyric acid)
• Silage content of NH3 nitrogen, total nitrogen and alcohols
• Aerobic stability of the silage after ensiling periods of 49 days and 90 days, mould and yeast contamination of the silage
• Additional test in category 2 "Silage additive for early silo opening"
• In addition: Aerobic stability of the silage after 14 days of ensiling

Silage additive category 3 (reduction of the fermentation liquid run-off)

• Active ingredient composition and compliance with the declaration
• Biological products:
  • Osmotolerance and water capacity value of the bacteria
• Laboratory silo tests against untreated controls
• Dry matter, dry matter losses, fermentation losses
• Fermentation liquid quantities after 3, 7, 14 and at the end of the experiment, pH value of the silage
• Fermentation acid pattern of the silage (lactic acid, acetic acid, propionic acid, butyric acid)
• Silage content of NH₃ nitrogen, total nitrogen and alcohols

Silage additive category 4 (Secondary effect: improvement of feed intake, digestibility, meat production value, milk production value)

• Active ingredient composition and compliance with the declaration
• Osmotolerance and water capacity of the bacteria
• Proof of the secondary effect in:
  • Feed intake trials
  • Digestion tests
  • Feeding trials

Silage additive category 5 (special effects)

• Active ingredient composition and compliance with the declaration
• Osmotolerance and water capacity of the bacteria
• Laboratory silo tests against untreated controls
• Dry matter, dry matter losses and fermentation losses
• pH value (acidification process)
• Fermentation acid pattern of the silage (lactic, acetic, propionic and butyric acid)
• Silage content of NH₃ nitrogen, total nitrogen and alcohols
• Aerobic stability of the silage after 49 days of ensiling
• Clostridium endospores in the silage

Silage additive category 6 ( improvement of the methane yield in biogas plants)

• Active ingredient composition and compliance with the declaration
• Osmotolerance and water capacity of the bacteria
• Laboratory silo tests against untreated samples to check the:
  • Methane yield through reduction of fermentation losses analogue
  • Methane yield by improving aerobic stability analogue
• Specific yield of methane

TMR (Total Mixed Ration)/PMR (Partial Mixed Ration) stabilisers

• Active ingredient composition and compliance with the declaration
• Osmotolerance and water capacity of the bacteria
• Laboratory silo tests with typical mixed ration against untreated sample and positive sample
• pH value (acidification process)
• Aerobic stability of the silage after 72 hours of ensiling
• Mould and yeast contamination of the silage
• Loss of fresh matter
• Condensation