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 5.41
Milk (kg) -130.00 -0.014 1.82
Fat (kg) -2.09 -0.375 0.78
Prot (kg) -6.35 -0.441 2.80
Fertility Sub Index 7.04
Calving Interval (days) -4.17 -1.459 6.08
Survival (%) 0.86 1.117 0.96
Calving Sub Index 0.12
Gestation Length (days) -0.13 -0.919 0.12
Beef Sub Index -0.76
Carcass Weight (kg) 1.00 -0.528 -0.53
Age of Slaughter (days) 0.55 -0.432 -0.24
Maintenance Sub Index Maint. Sub Index 0.92
Live WT (kg) -3.00 -0.307 0.92
Total Carbon Sub Index 12.73

* Based on an €80/tonne carbon price