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 18.02
Milk (kg) -306.00 -0.014 4.28
Fat (kg) -18.75 -0.375 7.02
Prot (kg) -15.20 -0.441 6.71
Fertility Sub Index 10.70
Calving Interval (days) -5.77 -1.459 8.42
Survival (%) 2.04 1.117 2.28
Calving Sub Index 0.90
Gestation Length (days) -0.98 -0.919 0.90
Beef Sub Index 0.92
Carcass Weight (kg) 0.40 -0.528 -0.21
Age of Slaughter (days) -2.63 -0.432 1.14
Maintenance Sub Index Maint. Sub Index 9.26
Live WT (kg) -30.20 -0.307 9.26
Total Carbon Sub Index 39.79

* Based on an €80/tonne carbon price