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 5.33
Milk (kg) -118.00 -0.014 1.65
Fat (kg) -3.12 -0.375 1.17
Prot (kg) -5.68 -0.441 2.51
Fertility Sub Index -1.99
Calving Interval (days) 0.94 -1.459 -1.37
Survival (%) -0.55 1.117 -0.61
Calving Sub Index -0.44
Gestation Length (days) 0.48 -0.919 -0.44
Beef Sub Index -0.26
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 2.69 -0.432 -1.16
Maintenance Sub Index Maint. Sub Index 0.58
Live WT (kg) -1.90 -0.307 0.58
Total Carbon Sub Index 3.22

* Based on an €80/tonne carbon price