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 6.38
Milk (kg) -149.00 -0.014 2.09
Fat (kg) -5.47 -0.375 2.05
Prot (kg) -5.08 -0.441 2.24
Fertility Sub Index 7.14
Calving Interval (days) -3.97 -1.459 5.79
Survival (%) 1.21 1.117 1.35
Calving Sub Index 2.18
Gestation Length (days) -2.37 -0.919 2.18
Beef Sub Index 3.66
Carcass Weight (kg) -7.90 -0.528 4.17
Age of Slaughter (days) 1.17 -0.432 -0.51
Maintenance Sub Index Maint. Sub Index 6.04
Live WT (kg) -19.70 -0.307 6.04
Total Carbon Sub Index 25.40

* Based on an €80/tonne carbon price