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 11.82
Milk (kg) -260.00 -0.014 3.64
Fat (kg) -11.96 -0.375 4.48
Prot (kg) -8.38 -0.441 3.70
Fertility Sub Index 4.68
Calving Interval (days) -3.19 -1.459 4.65
Survival (%) 0.02 1.117 0.02
Calving Sub Index 0.64
Gestation Length (days) -0.70 -0.919 0.64
Beef Sub Index 1.47
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) -0.96 -0.432 0.41
Maintenance Sub Index Maint. Sub Index 1.90
Live WT (kg) -6.20 -0.307 1.90
Total Carbon Sub Index 20.51

* Based on an €80/tonne carbon price