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 5.58
Milk (kg) -178.00 -0.014 2.49
Fat (kg) -5.86 -0.375 2.19
Prot (kg) -2.02 -0.441 0.89
Fertility Sub Index 3.05
Calving Interval (days) -1.61 -1.459 2.35
Survival (%) 0.63 1.117 0.70
Calving Sub Index 1.10
Gestation Length (days) -1.20 -0.919 1.10
Beef Sub Index 1.98
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) -1.04 -0.432 0.45
Maintenance Sub Index Maint. Sub Index 2.70
Live WT (kg) -8.80 -0.307 2.70
Total Carbon Sub Index 14.40

* Based on an €80/tonne carbon price