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 5.88
Milk (kg) -95.00 -0.014 1.33
Fat (kg) -6.49 -0.375 2.43
Prot (kg) -4.80 -0.441 2.12
Fertility Sub Index 7.29
Calving Interval (days) -4.45 -1.459 6.49
Survival (%) 0.71 1.117 0.79
Calving Sub Index 0.79
Gestation Length (days) -0.86 -0.919 0.79
Beef Sub Index 1.23
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) -0.41 -0.432 0.18
Maintenance Sub Index Maint. Sub Index 2.45
Live WT (kg) -8.00 -0.307 2.45
Total Carbon Sub Index 17.65

* Based on an €80/tonne carbon price