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 3.53
Milk (kg) -19.00 -0.014 0.27
Fat (kg) -6.58 -0.375 2.46
Prot (kg) -1.81 -0.441 0.80
Fertility Sub Index -6.69
Calving Interval (days) 3.35 -1.459 -4.89
Survival (%) -1.61 1.117 -1.80
Calving Sub Index 1.01
Gestation Length (days) -1.10 -0.919 1.01
Beef Sub Index -1.56
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 5.82 -0.432 -2.51
Maintenance Sub Index Maint. Sub Index -1.01
Live WT (kg) 3.30 -0.307 -1.01
Total Carbon Sub Index -4.73

* Based on an €80/tonne carbon price