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 7.89
Milk (kg) -119.00 -0.014 1.67
Fat (kg) -6.05 -0.375 2.27
Prot (kg) -8.97 -0.441 3.96
Fertility Sub Index 4.52
Calving Interval (days) -2.28 -1.459 3.33
Survival (%) 1.07 1.117 1.20
Calving Sub Index -2.41
Gestation Length (days) 2.62 -0.919 -2.41
Beef Sub Index -0.89
Carcass Weight (kg) 3.00 -0.528 -1.58
Age of Slaughter (days) -1.60 -0.432 0.69
Maintenance Sub Index Maint. Sub Index 4.57
Live WT (kg) -14.90 -0.307 4.57
Total Carbon Sub Index 13.69

* Based on an €80/tonne carbon price