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 6.26
Milk (kg) -82.00 -0.014 1.15
Fat (kg) -5.61 -0.375 2.10
Prot (kg) -6.83 -0.441 3.01
Fertility Sub Index -2.37
Calving Interval (days) 1.33 -1.459 -1.94
Survival (%) -0.38 1.117 -0.42
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.18
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 2.49 -0.432 -1.07
Maintenance Sub Index Maint. Sub Index 0.34
Live WT (kg) -1.10 -0.307 0.34
Total Carbon Sub Index 3.59

* Based on an €80/tonne carbon price