Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
Sep 2025 Milk Sub Index 27.33
Milk (kg) -730.00 -0.014 10.22
Fat (kg) -19.09 -0.375 7.15
Prot (kg) -22.57 -0.441 9.96
Fertility Sub Index 2.27
Calving Interval (days) -1.00 -1.459 1.46
Survival (%) 0.73 1.117 0.82
Calving Sub Index 0.62
Gestation Length (days) -0.67 -0.919 0.62
Beef Sub Index 0.72
Carcass Weight (kg) -6.40 -0.528 3.38
Age of Slaughter (days) 6.16 -0.432 -2.66
Maintenance Sub Index Maint. Sub Index 9.53
Live WT (kg) -31.10 -0.307 9.53
Total Carbon Sub Index 40.48

* Based on an €80/tonne carbon price