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 6.89
Milk (kg) -114.00 -0.014 1.60
Fat (kg) -7.66 -0.375 2.87
Prot (kg) -5.49 -0.441 2.42
Fertility Sub Index -2.11
Calving Interval (days) 1.74 -1.459 -2.54
Survival (%) 0.38 1.117 0.42
Calving Sub Index -2.84
Gestation Length (days) 3.09 -0.919 -2.84
Beef Sub Index -4.73
Carcass Weight (kg) 11.70 -0.528 -6.17
Age of Slaughter (days) -3.34 -0.432 1.44
Maintenance Sub Index Maint. Sub Index -2.82
Live WT (kg) 9.20 -0.307 -2.82
Total Carbon Sub Index -5.62

* Based on an €80/tonne carbon price