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 10.13
Milk (kg) -182.00 -0.014 2.55
Fat (kg) -6.49 -0.375 2.43
Prot (kg) -11.67 -0.441 5.15
Fertility Sub Index -7.67
Calving Interval (days) 3.86 -1.459 -5.63
Survival (%) -1.82 1.117 -2.03
Calving Sub Index -0.15
Gestation Length (days) 0.16 -0.919 -0.15
Beef Sub Index 0.27
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 2.30 -0.432 -0.99
Maintenance Sub Index Maint. Sub Index 1.47
Live WT (kg) -4.80 -0.307 1.47
Total Carbon Sub Index 4.06

* Based on an €80/tonne carbon price