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 -5.20
Milk (kg) -2.00 -0.014 0.03
Fat (kg) 9.01 -0.375 -3.37
Prot (kg) 4.20 -0.441 -1.85
Fertility Sub Index -2.55
Calving Interval (days) 1.62 -1.459 -2.36
Survival (%) -0.17 1.117 -0.19
Calving Sub Index 2.79
Gestation Length (days) -3.03 -0.919 2.79
Beef Sub Index -3.63
Carcass Weight (kg) 1.40 -0.528 -0.74
Age of Slaughter (days) 6.69 -0.432 -2.89
Maintenance Sub Index Maint. Sub Index 0.61
Live WT (kg) -2.00 -0.307 0.61
Total Carbon Sub Index -7.98

* Based on an €80/tonne carbon price