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 9.09
Milk (kg) -133.00 -0.014 1.86
Fat (kg) -11.41 -0.375 4.27
Prot (kg) -6.70 -0.441 2.96
Fertility Sub Index 7.44
Calving Interval (days) -3.45 -1.459 5.03
Survival (%) 2.15 1.117 2.40
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.46
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) 0.64 -0.432 -0.28
Maintenance Sub Index Maint. Sub Index 4.38
Live WT (kg) -14.30 -0.307 4.38
Total Carbon Sub Index 26.18

* Based on an €80/tonne carbon price