Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index -10.29
Milk (kg) 225.00 -0.014 -3.15
Fat (kg) 8.77 -0.375 -3.28
Prot (kg) 8.74 -0.441 -3.86
Fertility Sub Index -5.83
Calving Interval (days) 3.69 -1.459 -5.38
Survival (%) -0.40 1.117 -0.45
Calving Sub Index 1.00
Gestation Length (days) -1.09 -0.919 1.00
Beef Sub Index 0.23
Carcass Weight (kg) -4.10 -0.528 2.16
Age of Slaughter (days) 4.47 -0.432 -1.93
Maintenance Sub Index Maint. Sub Index 2.79
Live WT (kg) -9.10 -0.307 2.79
Total Carbon Sub Index -12.09

* Based on an €80/tonne carbon price