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 9.02
Milk (kg) -104.00 -0.014 1.46
Fat (kg) -6.56 -0.375 2.46
Prot (kg) -11.58 -0.441 5.11
Fertility Sub Index -0.19
Calving Interval (days) -0.25 -1.459 0.36
Survival (%) -0.50 1.117 -0.56
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.96
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 1.08 -0.432 -0.47
Maintenance Sub Index Maint. Sub Index 1.87
Live WT (kg) -6.10 -0.307 1.87
Total Carbon Sub Index 11.18

* Based on an €80/tonne carbon price