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 6.60
Milk (kg) -117.00 -0.014 1.64
Fat (kg) -5.78 -0.375 2.16
Prot (kg) -6.33 -0.441 2.79
Fertility Sub Index 0.96
Calving Interval (days) -0.55 -1.459 0.80
Survival (%) 0.14 1.117 0.16
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.38
Carcass Weight (kg) -0.80 -0.528 0.42
Age of Slaughter (days) 1.85 -0.432 -0.80
Maintenance Sub Index Maint. Sub Index 1.29
Live WT (kg) -4.20 -0.307 1.29
Total Carbon Sub Index 8.00

* Based on an €80/tonne carbon price