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 3.16
Milk (kg) -10.00 -0.014 0.14
Fat (kg) -3.79 -0.375 1.42
Prot (kg) -3.63 -0.441 1.60
Fertility Sub Index 1.82
Calving Interval (days) -0.99 -1.459 1.44
Survival (%) 0.34 1.117 0.38
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.23
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 3.34 -0.432 -1.44
Maintenance Sub Index Maint. Sub Index 1.59
Live WT (kg) -5.20 -0.307 1.59
Total Carbon Sub Index 5.88

* Based on an €80/tonne carbon price