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 5.42
Milk (kg) -140.00 -0.014 1.96
Fat (kg) -4.40 -0.375 1.65
Prot (kg) -4.11 -0.441 1.81
Fertility Sub Index 2.93
Calving Interval (days) -1.54 -1.459 2.25
Survival (%) 0.61 1.117 0.68
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.31
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 1.73 -0.432 -0.75
Maintenance Sub Index Maint. Sub Index 1.93
Live WT (kg) -6.30 -0.307 1.93
Total Carbon Sub Index 10.13

* Based on an €80/tonne carbon price