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Matamata

Farmwatch
System Type: 3
Region:
Waikato
Last Update:
13 October 2017

DairyNZ Comment:

13 Oct 2017
  • Pasture surpluses are proving difficult to find this year. On some farms their arrival is close. A good way to judge is from the pre-grazing cover. Is the next paddock longer than what’s needed to adequately feed the cows? Will the grazing residual be achieved? Our own experience of speeding up the rotation for feeding the herd better, resulted in too much grass left in the paddock. This is one sign of a surplus, but there are other signs to consider: Will the cows be adequately fed if some paddocks are missed for silage?  Will the resulting rotation length be sustainable? For us, the answer was no for both questions. There are no paddocks on Scott farm surplus this week and a longer rotation was used to target the required grazing residual.

    Use this formula for determining what pre-grazing cover is required before a surplus is possible:

    Stocking rate (cows/ha) x daily pasture intake (kg DM/cow) x rotation length (days) + grazing residual (kg DM/ha) = target pre-grazing cover (kg DM/ha).

    3.0 cows/ha x 16 kg DM/cow x 28 days = 1344 +1500 residual = 2844 kg DM/ha.

     

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  • Date Collected

    13 Oct 2017

  • Soil temp

    16

  • Growth

    68 kgs DM/day

  • APC

    2529 kgs DM/ha

  • Rainfall

    26 mm

  • BCS

    4.5

  • % in milk

    99 %

  • MS/cow

    1.98 kgs

  • MS/ha

    5.64 kgs

  • MS/ha YTD

    323 kgs

  • Rotation

    26 days

  • MS/cow YTD

    - kgs

  • Nitrogen YTD

    - kgs/ha

  • Supplements

    - kgs/cow/day

  • Supplements YTD

    - kgs/cow/day

  • Weight Gain

    - kgs/day

  • Stocking Rate

    - su/ha

  • Crude Protein Level

    -

  • MJME

    -