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 3.33
Milk (kg) -14.00 -0.014 0.20
Fat (kg) -6.66 -0.375 2.49
Prot (kg) -1.46 -0.441 0.64
Fertility Sub Index 0.50
Calving Interval (days) -0.75 -1.459 1.09
Survival (%) -0.53 1.117 -0.59
Calving Sub Index -1.20
Gestation Length (days) 1.31 -0.919 -1.20
Beef Sub Index -5.79
Carcass Weight (kg) 7.80 -0.528 -4.11
Age of Slaughter (days) 3.87 -0.432 -1.67
Maintenance Sub Index Maint. Sub Index -0.18
Live WT (kg) 0.60 -0.307 -0.18
Total Carbon Sub Index -3.33

* Based on an €80/tonne carbon price