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 28.03
Milk (kg) -436.00 -0.014 6.10
Fat (kg) -30.93 -0.375 11.59
Prot (kg) -23.42 -0.441 10.34
Fertility Sub Index 1.57
Calving Interval (days) -0.45 -1.459 0.66
Survival (%) 0.82 1.117 0.92
Calving Sub Index -1.56
Gestation Length (days) 1.70 -0.919 -1.56
Beef Sub Index -2.53
Carcass Weight (kg) -1.00 -0.528 0.53
Age of Slaughter (days) 7.09 -0.432 -3.06
Maintenance Sub Index Maint. Sub Index 5.43
Live WT (kg) -17.70 -0.307 5.43
Total Carbon Sub Index 30.92

* Based on an €80/tonne carbon price