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 10.07
Milk (kg) -394.00 -0.014 5.52
Fat (kg) -3.63 -0.375 1.36
Prot (kg) -7.23 -0.441 3.19
Fertility Sub Index 7.09
Calving Interval (days) -4.33 -1.459 6.32
Survival (%) 0.69 1.117 0.77
Calving Sub Index 0.85
Gestation Length (days) -0.92 -0.919 0.85
Beef Sub Index 2.28
Carcass Weight (kg) -7.50 -0.528 3.96
Age of Slaughter (days) 3.89 -0.432 -1.68
Maintenance Sub Index Maint. Sub Index 6.01
Live WT (kg) -19.60 -0.307 6.01
Total Carbon Sub Index 26.28

* Based on an €80/tonne carbon price