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 4.64
Milk (kg) -76.00 -0.014 1.06
Fat (kg) -4.80 -0.375 1.80
Prot (kg) -4.02 -0.441 1.77
Fertility Sub Index 2.70
Calving Interval (days) -1.35 -1.459 1.97
Survival (%) 0.65 1.117 0.73
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index 2.08
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) -1.28 -0.432 0.55
Maintenance Sub Index Maint. Sub Index 5.30
Live WT (kg) -17.30 -0.307 5.30
Total Carbon Sub Index 17.56

* Based on an €80/tonne carbon price