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Pasture Production and Dry Matter Utilisation Trial Trial work being conducted by AgSolutions at The University of Queensland Gatton Dairy Research Unit is indicating that NatraMin Cal-S is improving pasture production and enhancing dry matter utilisation of irrigated dairy pastures. Results of physical pasture measurements of the rye grass phase of the trial have shown additional growth and increased consumption in the areas treated with NatraMin.

Pasture Production

Pasture Utilisation

Increased dry matter measurements after each grazing indicate improved growth of pasture in the areas treated with NatraMin.

Cows consumed greater amounts of pasture where NatraMin Cal-S had been applied. Increased utilisation of dry matter was consistent across each of the grazing periods.

19.4% Increase

53.7% Increase

Over the 5 grazings there was a substantial increase in total production with over 4400kg/ha of extra dry matter recorded in the paddocks where NatraMin Cal-S had been applied to the soil.

The areas where NatraMin had been applied resulted in a 53.7% increase (4635kg/ha) of dry matter being utilised or consumed by the cows in terms of a cumulative total across the 5 grazings.

Pre-grazing

After 2nd grazing

Photos taken prior to grazing highlight the additional growth in the area that had NatraMin applied at 500kg/ha (photo on the right) as compared the untreated area on the left.

Despite pasture measurements indicating higher dry matter utilisation in the areas where NatraMin Cal-S had been applied, these areas still appeared to have more feed (photo on the right).

Dry Feed Block

Dry Feed Block

EquineBlock Range Dry Feed


Return on Investment What can this extra production and utilisation mean for you? It is clear to see that a relatively small investment of $175/ha for an application of NatraMin Cal-S can yield significant dividends with an extra $732/ha worth of potential feed by way of additional dry matter growth evident in this trial (using a baseline value of $166/tonne of dry matter). The additional feed utilised by the cattle also indicates as positive return with an extra $769/ha worth of feed consumed from the paddocks where NatraMin had been applied.

$732/ha Increase

$769/ha Increase

Preferential Grazing The following photos visually confirm what many graziers have reported over the years in that cattle prefer to graze pastures treated with NatraMin when first released into a paddock. As an example, during one of the grazing periods, around 90% of the herd were found to be grazing the area that had NatraMin Cal-S applied.

NatraMin Cal-S applied at 500kg/ha to this part of the paddock and the majority of the cattle appeared to prefer grazing these pastures.

The area that had not been treated with NatraMin did not have as many cows grazing it.

Dry Feed Block

Dry Feed Block

EquineBlock Range Dry Feed


Pre-graze Rye Grass

Untreated Rye Grass

Treated with NatraMin Cal-S

Treated with NatraMin Cal-S

Untreated Rye Grass

Dry Feed Block

Dry Feed Block

EquineBlock Range Dry Feed

NatraMin Pasture Production and Dry Matter Utilisation Trial  

Trial work being conducted by AgSolutions at The University of Queensland Gatton Dairy Research Unit is indicating that NatraMin Cal-S is im...

NatraMin Pasture Production and Dry Matter Utilisation Trial  

Trial work being conducted by AgSolutions at The University of Queensland Gatton Dairy Research Unit is indicating that NatraMin Cal-S is im...

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