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 2.78
Milk (kg) -149.00 -0.014 2.09
Fat (kg) 1.32 -0.375 -0.49
Prot (kg) -2.70 -0.441 1.19
Fertility Sub Index 4.19
Calving Interval (days) -1.64 -1.459 2.39
Survival (%) 1.61 1.117 1.80
Calving Sub Index 0.74
Gestation Length (days) -0.80 -0.919 0.74
Beef Sub Index -2.02
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) 8.70 -0.432 -3.76
Maintenance Sub Index Maint. Sub Index 7.02
Live WT (kg) -22.90 -0.307 7.02
Total Carbon Sub Index 12.71

* Based on an €80/tonne carbon price