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 7.67
Milk (kg) -139.00 -0.014 1.95
Fat (kg) -6.71 -0.375 2.51
Prot (kg) -7.28 -0.441 3.21
Fertility Sub Index 0.02
Calving Interval (days) -0.12 -1.459 0.18
Survival (%) -0.14 1.117 -0.16
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.55
Carcass Weight (kg) -0.60 -0.528 0.32
Age of Slaughter (days) 2.01 -0.432 -0.87
Maintenance Sub Index Maint. Sub Index 0.40
Live WT (kg) -1.30 -0.307 0.40
Total Carbon Sub Index 7.07

* Based on an €80/tonne carbon price