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 3.64
Milk (kg) -95.00 -0.014 1.33
Fat (kg) -2.29 -0.375 0.86
Prot (kg) -3.29 -0.441 1.45
Fertility Sub Index -1.45
Calving Interval (days) 1.13 -1.459 -1.65
Survival (%) 0.18 1.117 0.20
Calving Sub Index 0.73
Gestation Length (days) -0.79 -0.919 0.73
Beef Sub Index -1.94
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) 8.76 -0.432 -3.78
Maintenance Sub Index Maint. Sub Index 6.99
Live WT (kg) -22.80 -0.307 6.99
Total Carbon Sub Index 7.98

* Based on an €80/tonne carbon price