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 13.91
Milk (kg) -144.00 -0.014 2.02
Fat (kg) -13.10 -0.375 4.91
Prot (kg) -15.82 -0.441 6.98
Fertility Sub Index -1.23
Calving Interval (days) 0.43 -1.459 -0.63
Survival (%) -0.54 1.117 -0.60
Calving Sub Index -0.05
Gestation Length (days) 0.05 -0.919 -0.05
Beef Sub Index -2.98
Carcass Weight (kg) 3.90 -0.528 -2.06
Age of Slaughter (days) 2.14 -0.432 -0.92
Maintenance Sub Index Maint. Sub Index -3.95
Live WT (kg) 12.90 -0.307 -3.95
Total Carbon Sub Index 5.69

* Based on an €80/tonne carbon price