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 3.10
Milk (kg) -36.00 -0.014 0.50
Fat (kg) -2.89 -0.375 1.08
Prot (kg) -3.43 -0.441 1.51
Fertility Sub Index 0.06
Calving Interval (days) -0.12 -1.459 0.18
Survival (%) -0.10 1.117 -0.11
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.17
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 2.06 -0.432 -0.89
Maintenance Sub Index Maint. Sub Index 1.16
Live WT (kg) -3.80 -0.307 1.16
Total Carbon Sub Index 4.02

* Based on an €80/tonne carbon price