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 3.74
Milk (kg) -146.00 -0.014 2.04
Fat (kg) -0.29 -0.375 0.11
Prot (kg) -3.60 -0.441 1.59
Fertility Sub Index -0.13
Calving Interval (days) -0.02 -1.459 0.03
Survival (%) -0.14 1.117 -0.16
Calving Sub Index -0.48
Gestation Length (days) 0.52 -0.919 -0.48
Beef Sub Index 0.97
Carcass Weight (kg) -2.15 -0.528 1.13
Age of Slaughter (days) 0.38 -0.432 -0.16
Maintenance Sub Index Maint. Sub Index 2.04
Live WT (kg) -6.65 -0.307 2.04
Total Carbon Sub Index 6.15

* Based on an €80/tonne carbon price