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 6.15
Milk (kg) -32.00 -0.014 0.45
Fat (kg) -5.40 -0.375 2.02
Prot (kg) -8.34 -0.441 3.68
Fertility Sub Index -8.97
Calving Interval (days) 4.76 -1.459 -6.95
Survival (%) -1.81 1.117 -2.02
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index -1.42
Carcass Weight (kg) 1.60 -0.528 -0.84
Age of Slaughter (days) 1.33 -0.432 -0.57
Maintenance Sub Index Maint. Sub Index 2.08
Live WT (kg) -6.80 -0.307 2.08
Total Carbon Sub Index -2.70

* Based on an €80/tonne carbon price