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 4.37
Milk (kg) -97.00 -0.014 1.36
Fat (kg) -4.10 -0.375 1.54
Prot (kg) -3.35 -0.441 1.48
Fertility Sub Index -0.60
Calving Interval (days) -0.46 -1.459 0.67
Survival (%) -1.14 1.117 -1.27
Calving Sub Index -0.56
Gestation Length (days) 0.61 -0.919 -0.56
Beef Sub Index -2.82
Carcass Weight (kg) 2.40 -0.528 -1.27
Age of Slaughter (days) 3.60 -0.432 -1.55
Maintenance Sub Index Maint. Sub Index 1.78
Live WT (kg) -5.80 -0.307 1.78
Total Carbon Sub Index 2.16

* Based on an €80/tonne carbon price