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 5.18
Milk (kg) -6.00 -0.014 0.08
Fat (kg) -5.58 -0.375 2.09
Prot (kg) -6.80 -0.441 3.00
Fertility Sub Index -8.66
Calving Interval (days) 4.66 -1.459 -6.80
Survival (%) -1.67 1.117 -1.87
Calving Sub Index 0.83
Gestation Length (days) -0.90 -0.919 0.83
Beef Sub Index 0.03
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 2.37 -0.432 -1.02
Maintenance Sub Index Maint. Sub Index -2.48
Live WT (kg) 8.10 -0.307 -2.48
Total Carbon Sub Index -5.11

* Based on an €80/tonne carbon price