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 6.96
Milk (kg) -128.00 -0.014 1.79
Fat (kg) -6.64 -0.375 2.49
Prot (kg) -6.07 -0.441 2.68
Fertility Sub Index 2.07
Calving Interval (days) -1.46 -1.459 2.13
Survival (%) -0.05 1.117 -0.06
Calving Sub Index 0.06
Gestation Length (days) -0.06 -0.919 0.06
Beef Sub Index 0.51
Carcass Weight (kg) -0.10 -0.528 0.05
Age of Slaughter (days) -1.07 -0.432 0.46
Maintenance Sub Index Maint. Sub Index 0.09
Live WT (kg) -0.30 -0.307 0.09
Total Carbon Sub Index 9.70

* Based on an €80/tonne carbon price