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 -4.29
Milk (kg) 15.00 -0.014 -0.21
Fat (kg) 5.80 -0.375 -2.17
Prot (kg) 4.33 -0.441 -1.91
Fertility Sub Index -5.18
Calving Interval (days) 1.36 -1.459 -1.98
Survival (%) -2.86 1.117 -3.20
Calving Sub Index 1.76
Gestation Length (days) -1.92 -0.919 1.76
Beef Sub Index -3.64
Carcass Weight (kg) 6.30 -0.528 -3.32
Age of Slaughter (days) 0.73 -0.432 -0.32
Maintenance Sub Index Maint. Sub Index -4.66
Live WT (kg) 15.20 -0.307 -4.66
Total Carbon Sub Index -16.00

* Based on an €80/tonne carbon price