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 1.24
Milk (kg) -1.00 -0.014 0.01
Fat (kg) -1.64 -0.375 0.61
Prot (kg) -1.38 -0.441 0.61
Fertility Sub Index 3.63
Calving Interval (days) -2.13 -1.459 3.11
Survival (%) 0.47 1.117 0.53
Calving Sub Index 5.18
Gestation Length (days) -5.64 -0.919 5.18
Beef Sub Index 0.41
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 0.88 -0.432 -0.38
Maintenance Sub Index Maint. Sub Index 1.26
Live WT (kg) -4.10 -0.307 1.26
Total Carbon Sub Index 11.73

* Based on an €80/tonne carbon price