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 0.64
Milk (kg) 2.00 -0.014 -0.03
Fat (kg) 0.04 -0.375 -0.01
Prot (kg) -1.55 -0.441 0.68
Fertility Sub Index -8.43
Calving Interval (days) 4.56 -1.459 -6.65
Survival (%) -1.59 1.117 -1.78
Calving Sub Index 1.97
Gestation Length (days) -2.14 -0.919 1.97
Beef Sub Index -0.39
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 3.22 -0.432 -1.39
Maintenance Sub Index Maint. Sub Index 1.75
Live WT (kg) -5.70 -0.307 1.75
Total Carbon Sub Index -4.46

* Based on an €80/tonne carbon price