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 7.04
Milk (kg) -103.00 -0.014 1.44
Fat (kg) -7.61 -0.375 2.85
Prot (kg) -6.22 -0.441 2.75
Fertility Sub Index 2.38
Calving Interval (days) -1.30 -1.459 1.90
Survival (%) 0.43 1.117 0.48
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.60
Carcass Weight (kg) -3.35 -0.528 1.77
Age of Slaughter (days) 2.70 -0.432 -1.17
Maintenance Sub Index Maint. Sub Index 5.29
Live WT (kg) -17.25 -0.307 5.29
Total Carbon Sub Index 19.00

* Based on an €80/tonne carbon price