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 25.08
Milk (kg) -466.00 -0.014 6.52
Fat (kg) -26.12 -0.375 9.78
Prot (kg) -19.88 -0.441 8.77
Fertility Sub Index 8.53
Calving Interval (days) -4.85 -1.459 7.08
Survival (%) 1.30 1.117 1.45
Calving Sub Index 0.46
Gestation Length (days) -0.50 -0.919 0.46
Beef Sub Index 0.13
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 1.53 -0.432 -0.66
Maintenance Sub Index Maint. Sub Index 4.08
Live WT (kg) -13.30 -0.307 4.08
Total Carbon Sub Index 38.28

* Based on an €80/tonne carbon price