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 3.88
Milk (kg) -46.00 -0.014 0.64
Fat (kg) -4.97 -0.375 1.86
Prot (kg) -3.12 -0.441 1.38
Fertility Sub Index -3.48
Calving Interval (days) 1.89 -1.459 -2.76
Survival (%) -0.65 1.117 -0.73
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index 0.84
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 0.02 -0.432 -0.01
Maintenance Sub Index Maint. Sub Index 2.12
Live WT (kg) -6.90 -0.307 2.12
Total Carbon Sub Index 2.80

* Based on an €80/tonne carbon price