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 -1.22
Milk (kg) 1.00 -0.014 -0.01
Fat (kg) 2.23 -0.375 -0.84
Prot (kg) 0.85 -0.441 -0.38
Fertility Sub Index 4.44
Calving Interval (days) -2.15 -1.459 3.14
Survival (%) 1.17 1.117 1.31
Calving Sub Index 2.79
Gestation Length (days) -3.03 -0.919 2.79
Beef Sub Index 1.25
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) 1.51 -0.432 -0.65
Maintenance Sub Index Maint. Sub Index 6.56
Live WT (kg) -21.40 -0.307 6.56
Total Carbon Sub Index 13.81

* Based on an €80/tonne carbon price