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NWF Weekly Grass Watch – 1st July 2022

Grass Growth

In the past week, average grass growth has fallen to 42.7kg DM/ha/day from 50.6kg DM/ha/day. This is also below this 6-year average of 56kg DM/ha. With a limited rain forecast over the next 2 weeks, grass growth is expected to be limited. Regionally, the Northwest has seen the greatest average drop in grass growth of -25kg DM/ha/day while other regions have seen average falls of -12kg DM/ha/day or less.

Milk Yield from Grazing (MYFG)

Potentially due to limited grass availability, very few MYFG samples were received from all regions this week. Meaning data could not be reported as an accurate representation of the regions. However, average MYFG does indicate a slight increase thanks to a drop in dry matter and increased potential DMI.

Considerations with Reduced Grass Growth

With grass growth continuing to decline and dry conditions predicted, grazing deficits may continue to be an issue. Lack of moisture suppresses grass growth and root development and inadequate root systems prevent plants from absorbing nutrients from the soil.

  • This can ultimately lead to deficiencies and poor performance. To help prevent this, we offer get grazed grass mineral analysis. A mineral assay is the only way to understand mineral levels in grazing and the precise risks stock may be exposed to. Understanding the specific problem and then targeting supplementation is the most cost-effective solution. This will also prevent any legal maximum levels from being exceeded.
  • To maximise grass utilisation, continue to consider tailoring buffer rations, setting DMI targets and formulate compounds to match grass.

Source:  Trouw Nutrition

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