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 1.88
Milk (kg) 15.00 -0.014 -0.21
Fat (kg) -2.89 -0.375 1.08
Prot (kg) -2.29 -0.441 1.01
Fertility Sub Index -5.68
Calving Interval (days) 3.78 -1.459 -5.52
Survival (%) -0.15 1.117 -0.17
Calving Sub Index 0.88
Gestation Length (days) -0.96 -0.919 0.88
Beef Sub Index -1.68
Carcass Weight (kg) 0.70 -0.528 -0.37
Age of Slaughter (days) 3.03 -0.432 -1.31
Maintenance Sub Index Maint. Sub Index -0.95
Live WT (kg) 3.10 -0.307 -0.95
Total Carbon Sub Index -5.55

* Based on an €80/tonne carbon price