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 7.28
Milk (kg) -111.00 -0.014 1.55
Fat (kg) -5.15 -0.375 1.93
Prot (kg) -8.60 -0.441 3.80
Fertility Sub Index -0.76
Calving Interval (days) 2.07 -1.459 -3.02
Survival (%) 2.02 1.117 2.26
Calving Sub Index -0.17
Gestation Length (days) 0.19 -0.919 -0.17
Beef Sub Index 3.65
Carcass Weight (kg) -4.90 -0.528 2.58
Age of Slaughter (days) -2.47 -0.432 1.07
Maintenance Sub Index Maint. Sub Index 3.89
Live WT (kg) -12.70 -0.307 3.89
Total Carbon Sub Index 13.88

* Based on an €80/tonne carbon price