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 0.50
Milk (kg) -235.00 -0.014 3.29
Fat (kg) 6.70 -0.375 -2.51
Prot (kg) 0.63 -0.441 -0.28
Fertility Sub Index -0.79
Calving Interval (days) 0.25 -1.459 -0.36
Survival (%) -0.38 1.117 -0.42
Calving Sub Index 2.77
Gestation Length (days) -3.01 -0.919 2.77
Beef Sub Index 9.97
Carcass Weight (kg) -25.50 -0.528 13.45
Age of Slaughter (days) 8.06 -0.432 -3.48
Maintenance Sub Index Maint. Sub Index 18.98
Live WT (kg) -61.90 -0.307 18.98
Total Carbon Sub Index 31.42

* Based on an €80/tonne carbon price