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 7.45
Milk (kg) -153.00 -0.014 2.14
Fat (kg) -6.23 -0.375 2.33
Prot (kg) -6.74 -0.441 2.97
Fertility Sub Index -0.56
Calving Interval (days) 0.30 -1.459 -0.44
Survival (%) -0.11 1.117 -0.12
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index 0.61
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 1.04 -0.432 -0.45
Maintenance Sub Index Maint. Sub Index 5.46
Live WT (kg) -17.80 -0.307 5.46
Total Carbon Sub Index 15.80

* Based on an €80/tonne carbon price