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 7.74
Milk (kg) -182.00 -0.014 2.55
Fat (kg) -6.48 -0.375 2.43
Prot (kg) -6.26 -0.441 2.76
Fertility Sub Index 2.15
Calving Interval (days) -1.09 -1.459 1.59
Survival (%) 0.50 1.117 0.56
Calving Sub Index 0.28
Gestation Length (days) -0.30 -0.919 0.28
Beef Sub Index 3.44
Carcass Weight (kg) -5.40 -0.528 2.85
Age of Slaughter (days) -1.38 -0.432 0.60
Maintenance Sub Index Maint. Sub Index 1.90
Live WT (kg) -6.20 -0.307 1.90
Total Carbon Sub Index 15.51

* Based on an €80/tonne carbon price