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 5.32
Milk (kg) -117.00 -0.014 1.64
Fat (kg) -6.58 -0.375 2.46
Prot (kg) -2.76 -0.441 1.22
Fertility Sub Index -0.89
Calving Interval (days) 0.34 -1.459 -0.50
Survival (%) -0.35 1.117 -0.39
Calving Sub Index -1.58
Gestation Length (days) 1.72 -0.919 -1.58
Beef Sub Index -4.24
Carcass Weight (kg) 6.70 -0.528 -3.53
Age of Slaughter (days) 1.64 -0.432 -0.71
Maintenance Sub Index Maint. Sub Index -3.00
Live WT (kg) 9.80 -0.307 -3.00
Total Carbon Sub Index -4.40

* Based on an €80/tonne carbon price