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 6.13
Milk (kg) -138.00 -0.014 1.93
Fat (kg) -4.42 -0.375 1.66
Prot (kg) -5.77 -0.441 2.55
Fertility Sub Index 1.54
Calving Interval (days) -0.69 -1.459 1.01
Survival (%) 0.48 1.117 0.54
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.20
Carcass Weight (kg) -3.70 -0.528 1.95
Age of Slaughter (days) 1.75 -0.432 -0.76
Maintenance Sub Index Maint. Sub Index 4.41
Live WT (kg) -14.40 -0.307 4.41
Total Carbon Sub Index 16.99

* Based on an €80/tonne carbon price