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 4.06
Milk (kg) -98.00 -0.014 1.37
Fat (kg) -4.82 -0.375 1.81
Prot (kg) -2.00 -0.441 0.88
Fertility Sub Index 11.61
Calving Interval (days) -6.28 -1.459 9.16
Survival (%) 2.19 1.117 2.45
Calving Sub Index 0.96
Gestation Length (days) -1.04 -0.919 0.96
Beef Sub Index 1.04
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) 1.63 -0.432 -0.70
Maintenance Sub Index Maint. Sub Index 3.59
Live WT (kg) -11.70 -0.307 3.59
Total Carbon Sub Index 21.25

* Based on an €80/tonne carbon price