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 26.78
Milk (kg) -645.00 -0.014 9.03
Fat (kg) -19.12 -0.375 7.16
Prot (kg) -23.99 -0.441 10.59
Fertility Sub Index 3.13
Calving Interval (days) -1.37 -1.459 2.00
Survival (%) 1.01 1.117 1.13
Calving Sub Index -1.82
Gestation Length (days) 1.98 -0.919 -1.82
Beef Sub Index -1.84
Carcass Weight (kg) 0.20 -0.528 -0.11
Age of Slaughter (days) 4.01 -0.432 -1.73
Maintenance Sub Index Maint. Sub Index 4.20
Live WT (kg) -13.70 -0.307 4.20
Total Carbon Sub Index 30.45

* Based on an €80/tonne carbon price