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 2.36
Milk (kg) -120.00 -0.014 1.68
Fat (kg) 0.24 -0.375 -0.09
Prot (kg) -1.75 -0.441 0.77
Fertility Sub Index 5.96
Calving Interval (days) -2.88 -1.459 4.20
Survival (%) 1.57 1.117 1.75
Calving Sub Index 2.79
Gestation Length (days) -3.03 -0.919 2.79
Beef Sub Index 1.65
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) -0.40 -0.432 0.17
Maintenance Sub Index Maint. Sub Index 6.07
Live WT (kg) -19.80 -0.307 6.07
Total Carbon Sub Index 18.82

* Based on an €80/tonne carbon price