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 0.33
Milk (kg) -9.00 -0.014 0.13
Fat (kg) -1.09 -0.375 0.41
Prot (kg) 0.47 -0.441 -0.21
Fertility Sub Index -3.13
Calving Interval (days) 2.49 -1.459 -3.63
Survival (%) 0.45 1.117 0.50
Calving Sub Index -3.01
Gestation Length (days) 3.28 -0.919 -3.01
Beef Sub Index -4.40
Carcass Weight (kg) 15.80 -0.528 -8.33
Age of Slaughter (days) -9.12 -0.432 3.94
Maintenance Sub Index Maint. Sub Index -6.13
Live WT (kg) 20.00 -0.307 -6.13
Total Carbon Sub Index -16.34

* Based on an €80/tonne carbon price