Specialist Nutrition

Silage Additive

Maximise the value of home-grown forage

Silage is the most important conserved forage on the farm.

Making the most of your silage quality has a huge effect on your farms profitability. If you can increase the ME of your silage by 1 MJ, this can produce up to 4L extra of milk, depending on the feeding rate.

Producing quality silage consistently requires attention to detail with pre-cut testing, harvest, the use of forage additives, ensiling, covering, sealing, and feed out management.

Request your pre-cut silage test HERE


Silage additive can help preserve the nutritional value of silage and minimise waste through spoilage.

Resulting in:

  • Better silage
  • More retained nutrients
  • Less purchased feed required

The controlled microbial fermentation of forages helps to preserve their nutritional value all year round.


There are two critical points in silage management when trying to achieve optimal silage quality:

1. At the time of ensiling, the main objective is to achieve rapid acidification for maximum recovery of nutrients and minimal dry matter losses.

2. At feed out, the challenge is to ensure good aerobic stability to minimise nutrient and dry matter losses through heating and limit the growth of spoilage micro-organisms, such as yeasts and moulds.


The Magniva Range

Magniva has developed a range of silage additives to address the specific challenges faced in each crop at ensiling.

By choosing the right additive, silage producers can ensure optimal preservation of dry matter and the nutritional value of their silage crops from the field to feed out, optimising performance and animal efficiency.

New MAGNIVA Silage additives contain a patented combination of bacteria combined with enzymes to deliver outstanding results. Achieving the best possible fermentation with crop and condition-specific additives helps minimise the losses which cut feed energy before silage reaches your cows.


Using MAGNIVA Platinum Additive provides you with the flexibility to open silage clamps after 15 days. Improves aerobic stability after only 15 days of fermentation enabling early opening — while significantly increasing longer-term stability




Magniva Classic

Magniva Classic

Magniva Classic

Magniva Classic

MAGNIVA CLASSIC is recommended for grass silage

Containing a combination of homofermentative bacteria helps ensure a rapid fermentation to maximise nutrient retention.


Formulated specially for the challenges of grass harvested at low dry matters, typically below 26% DM, MAGNIVA Classic contains a unique combination of proven bacteria which combined with enzymes will ensure:

• The rapid pH drop required for a quality fermentation
• Excellent nutrient preservation for a high quality feed
• Increased fibre digestibility

Key Features

Improves fermentation and feed value

Packaging size Tonnes Treated (TT): 25TT and 100T

Suitable for LVA: Yes

Ensiling condition - Wet Crop: Easy to ensile

Dry Matter Range: up to 26% DM

HC Technology

For ease and accuracy of application, MAGNIVA forage additives are formulated using Lallemand Animal Nutrition’s patented HC technology, giving a more concentrated inoculant with big benefits:

• Highly soluble

• Easier and faster mixing

• Faster refilling in the field

• More consistent mix and no sedimentation problem

• Even application to the crop for more consistent silage

• Suitable for low volume applicators

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Talk to our sales team today about how Magniva Classic could help your farm : + 353 (0) 51 833071

Magniva Platinum Grass Wet

Magniva Platinum Grass Wet

Magniva Platinum Grass Wet

Magniva Platinum Grass Wet

MAGNIVA PLATINUM GRASS WET is recommended For Grass, Clover or Lucerne

Containing both homofermentative and heterofermentative bacteria helps ensure faster preservation when clamped while helping prevent heating and spoilage when the clamp is opened.


Formulated specifically for the challenge of wetter grass silage and difficult to ensile crops such as clover, lucerne and other legumes, MAGNIVA PLATINUM GRASS WET contains a unique combination of proven bacteria which combined with enzymes will ensure:

• A faster and efficient initial fermentation
• A stable clamp which can be opened earlier
• Increased aerobic stability after opening
• More silage to feed due to lower dry matter losses
Less heating so increased feed value
• Higher true protein retention
• Improved fibre digestion

Key Features

Increased efficiency of fermentation, improved digestibility, 15 days opening option, increased aerobic stability

Packaging size Tonnes Treated (TT): 50TT and 100TT

Suitable for LVA: Yes

Ensiling condition - Wet and challenging crops: difficult to ensile

Dry Matter Range: 20-30%

HC Technology

For ease and accuracy of application, MAGNIVA forage additives are formulated using Lallemand Animal Nutrition’s patented HC technology, giving a more concentrated inoculant with big benefits:

• Highly soluble

• Easier and faster mixing

• Faster refilling in the field

• More consistent mix and no sedimentation problem

• Even application to the crop for more consistent silage

• Suitable for low volume applicators

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Talk to our sales team today about how Magniva Platinum Grass Wet could help your farm : + 353 (0) 51 833071

Magniva Platinum Grass Dry

Magniva Platinum Grass Dry

Magniva Platinum Grass Dry

Magniva Platinum Grass Dry

MAGNIVA PLATINUM GRASS DRY is recommended For Grass, Clover or Lucerne

Containing both homofermentative and heterofermentative bacteria helps ensure faster preservation when clamped while helping prevent heating and spoilage when the clamp is opened.


Formulated specifically for the challenge of high dry matter grass silage, MAGNIVA PLATINUM GRASS DRY contains a unique combination of proven bacteria which combined with enzymes will ensure:

• A stable clamp which can be opened earlier
• Increased aerobic stability after opening
• More silage to feed due to lower dry matter losses
Less heating so increased feed value
Reduced contamination with yeast and moulds
• Improved fibre digestion

Key Features

Increased efficiency of fermentation, improved digestibility, 15 days opening option, increased aerobic stability

Packaging size Tonnes Treated (TT): 50TT and 100TT

Suitable for LVA: Yes

Ensiling condition: Dryer crops

Dry Matter Range: 31-45%

HC Technology

For ease and accuracy of application, MAGNIVA forage additives are formulated using Lallemand Animal Nutrition’s patented HC technology, giving a more concentrated inoculant with big benefits:

• Highly soluble

• Easier and faster mixing

• Faster refilling in the field

• More consistent mix and no sedimentation problem

• Even application to the crop for more consistent silage

• Suitable for low volume applicators

Application rate

30-40% moisture = 1 sachet/50 tonnes

40-45% moisture = 1.5 sachet/50 tonnes

45% moisture = 2 sachet/ 50 tonnes

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Talk to our sales team today about how Magniva Platinum Grass Dry could help your farm : + 353 (0) 51 833071

Magniva Platinum Maize Elite

Magniva Platinum Maize Elite

Magniva Platinum Maize Elite

Magniva Platinum Maize Elite

MAGNIVA PLATINUM MAIZE ELITE is recommended for maize ensiled under more challenging conditions

Containing both homofermentative and heterofermentative bacteria helps ensure faster preservation when clamped while helping prevent heating and spoilage when the clamp is opened.

Key Features

Increased efficiency of fermentation, improved digestibility, 15 days opening option, increased aerobic stability

Packaging size Tonnes Treated (TT): 50TT and 100TT

Suitable for LVA: Yes

Ensiling condition: Challenged crop (drought, rain, pests)

Dry Matter Range: 25-45%

HC Technology

For ease and accuracy of application, MAGNIVA forage additives are formulated using Lallemand Animal Nutrition’s patented HC technology, giving a more concentrated inoculant with big benefits:

• Highly soluble

• Easier and faster mixing

• Faster refilling in the field

• More consistent mix and no sedimentation problem

• Even application to the crop for more consistent silage

• Suitable for low volume applicators

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Talk to our sales team today about how Magniva Platinum Maize Elite could help your farm : + 353 (0) 51 833071

Magniva Platinum Maize

Magniva Platinum Maize

Magniva Platinum Maize

Magniva Platinum Maize

MAGNIVA PLATINUM MAIZE is recommended for maize with higher dry matter.

Containing heterofermentative bacteria helps prevent heating and spoilage when the clamp is opened.

Key Features

Increased efficiency of fermentation, 15 days opening option, increased aerobic stability

Packaging size Tonnes Treated (TT): 50TT and 200TT

Suitable for LVA: Yes

Ensiling condition: Typical crop

Dry Matter Range: 28-40%

HC Technology

For ease and accuracy of application, MAGNIVA forage additives are formulated using Lallemand Animal Nutrition’s patented HC technology, giving a more concentrated inoculant with big benefits:

• Highly soluble

• Easier and faster mixing

• Faster refilling in the field

• More consistent mix and no sedimentation problem

• Even application to the crop for more consistent silage

• Suitable for low volume applicators

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Talk to our sales team today about how Magniva Platinum Maize could help your farm : + 353 (0) 51 833071

Magniva Platinum Wholecrop

Magniva Platinum Wholecrop

Magniva Platinum Wholecrop

Magniva Platinum Wholecrop

MAGNIVA PLATUNUM WHOILECROP is recommended For Wheat, Barley, Triticale, Oats

Containing both homofermentative and heterofermentative bacteria helps ensure faster preservation when clamped while helping prevent heating and spoilage when the clamp is opened.

Key Features

Increased efficiency of fermentation, improved digestibility, 15 days opening option, increased aerobic stability

Packaging size Tonnes Treated (TT): 50TT and 100TT

Ensiling condition: Dry crop

Dry Matter Range: 30-45%

HC Technology

For ease and accuracy of application, MAGNIVA forage additives are formulated using Lallemand Animal Nutrition’s patented HC technology, giving a more concentrated inoculant with big benefits:

• Highly soluble

• Easier and faster mixing

• Faster refilling in the field

• More consistent mix and no sedimentation problem

• Even application to the crop for more consistent silage

• Suitable for low volume applicators

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Talk to our sales team today about how Magniva Platinum Wholecrop could help your farm : + 353 (0) 51 833071

Magniva Platinum Crimp

Magniva Platinum Crimp

Magniva Platinum Crimp

Magniva Platinum Crimp

MAGNIVA PLATINUM CRIMP is recommended For crimped Wheat, Barley, Triticale or Oats

Containing both homofermentative and heterofermentative bacteria helps ensure faster preservation when
clamped, while helping prevent heating and spoilage when the clamp is opened.

Key Features

Single application rate and non-corrosive compared to equivalent acid treatments. Increased efficiency of fermentation, 15 days opening option, increased aerobic stability

Packaging size Tonnes Treated (TT): 10TT and 25TT

Ensiling condition: Mature grain

Dry Matter Range: 25-40%* *moisture content

HC Technology

For ease and accuracy of application, MAGNIVA forage additives are formulated using Lallemand Animal Nutrition’s patented HC technology, giving a more concentrated inoculant with big benefits:

• Highly soluble

• Easier and faster mixing

• Faster refilling in the field

• More consistent mix and no sedimentation problem

• Even application to the crop for more consistent silage

• Suitable for low volume applicators

Download Brochure

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Talk to our sales team today about how Magniva Platinum Crimp could help your farm : + 353 (0) 51 833071