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 10.43
Milk (kg) -260.00 -0.014 3.64
Fat (kg) -7.51 -0.375 2.81
Prot (kg) -9.02 -0.441 3.98
Fertility Sub Index -1.23
Calving Interval (days) 0.54 -1.459 -0.79
Survival (%) -0.40 1.117 -0.45
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.85
Carcass Weight (kg) -5.80 -0.528 3.06
Age of Slaughter (days) 2.80 -0.432 -1.21
Maintenance Sub Index Maint. Sub Index 5.55
Live WT (kg) -18.10 -0.307 5.55
Total Carbon Sub Index 20.30

* Based on an €80/tonne carbon price