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Farm Management Notes Week of June 3rd

General update 

  • Eight groups of cattle are being managed at grass; 3 groups of cows and calves, 1 group of replacement heifers and 2 groups of beef bullocks and heifers.
  • 50 % (16 ha or 40 acres) of the 1st cut silage area was harvested on 14th May. This received a 24-hour wilt and was picked up dry and will subsequently be fed to the weanlings and finishing animals over the winter.
  • This area has since been closed for 2nd cut silage and received 33m3 cattle slurry and 100 kg N/ha as CAN (3000 gallons/acre slurry and 3 bags/ acre CAN).
  • We have deliberately delayed the cutting of 16 ha (40 acres) of silage which we aim to harvest next week (weather permitting) and this silage will be allocated to dry suckler cows.
  • The breeding season commenced on May 7th with 95% of the herd AI’d in the first 32 days of breeding.
  • All 27 heifers were AI’d in the first 24 days of the breeding season.
  • We are now closely monitoring cows and heifers for repeats.

Grassland management

  • The 3rd grazing rotation started on May 26th.
  • Post-grazing, paddocks are receiving 33kg N/ha (1 bag/ac of CAN)
  • 4 ha (10 acres) which was reseeded last year is receiving 190 kg/ha (1.5 bags/ac) of
    18-6-12 to build up soil fertility.

The Derrypatrick grass supply and demand is shown below:

Cover taken 05/06/2019 
Average farm cover (kg DM/ha); 700
Cover/LU (kg DM/LU) 118
Growth (kg DM/ha/day) 92
Demand (kg DM/day/day) 65
Days ahead 11

Animal Weights

Yearling weights16/5/2019ADG since turn out
Bullock 467kg 1.19kg
Heifers 429kg 1kg
Calf weights20/5/2019
Heifer calves 115kg
Bull calves 123kg

Bull calf weighing 160kg sire (CQA) SI bull

Bull calf weighing 154kg sire (FSZ) CH bull

Breeding

  • Commenced on May 7th
  • 95% of cows and heifers submitted in the first 32 days.
  • Cows and heifers observed 4 times per day.
  • AM:PM rule applying to heat observation and AI timing.
  • 100% AI being used.

Weekly Planner

  • Monitor all cows and heifers regularly for signs of heat.
  • Keep tail paint up to date.
  • Weigh all animals on the farm and body condition score cows and replacement heifers.
  • Cut remaining first cut silage.
  • Calculate weekly grass covers and monitor grass growth closely.