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 9.28
Milk (kg) -237.00 -0.014 3.32
Fat (kg) -6.72 -0.375 2.52
Prot (kg) -7.81 -0.441 3.45
Fertility Sub Index -5.07
Calving Interval (days) 4.06 -1.459 -5.92
Survival (%) 0.76 1.117 0.85
Calving Sub Index -1.93
Gestation Length (days) 2.10 -0.919 -1.93
Beef Sub Index -1.01
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 4.18 -0.432 -1.80
Maintenance Sub Index Maint. Sub Index 2.21
Live WT (kg) -7.20 -0.307 2.21
Total Carbon Sub Index 3.47

* Based on an €80/tonne carbon price