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 4.89
Milk (kg) -77.00 -0.014 1.08
Fat (kg) -4.90 -0.375 1.84
Prot (kg) -4.47 -0.441 1.97
Fertility Sub Index 0.99
Calving Interval (days) -0.42 -1.459 0.61
Survival (%) 0.34 1.117 0.38
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.82
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) -0.79 -0.432 0.34
Maintenance Sub Index Maint. Sub Index 5.76
Live WT (kg) -18.80 -0.307 5.76
Total Carbon Sub Index 17.15

* Based on an €80/tonne carbon price