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 2.54
Milk (kg) -32.00 -0.014 0.45
Fat (kg) -3.14 -0.375 1.18
Prot (kg) -2.07 -0.441 0.91
Fertility Sub Index -11.23
Calving Interval (days) 6.43 -1.459 -9.38
Survival (%) -1.65 1.117 -1.84
Calving Sub Index 1.50
Gestation Length (days) -1.63 -0.919 1.50
Beef Sub Index -0.75
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 3.94 -0.432 -1.70
Maintenance Sub Index Maint. Sub Index 4.41
Live WT (kg) -14.40 -0.307 4.41
Total Carbon Sub Index -3.52

* Based on an €80/tonne carbon price