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 7.37
Milk (kg) -157.00 -0.014 2.20
Fat (kg) -6.40 -0.375 2.40
Prot (kg) -6.28 -0.441 2.77
Fertility Sub Index -5.74
Calving Interval (days) 2.83 -1.459 -4.13
Survival (%) -1.44 1.117 -1.61
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index 0.65
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) 1.19 -0.432 -0.51
Maintenance Sub Index Maint. Sub Index 2.30
Live WT (kg) -7.50 -0.307 2.30
Total Carbon Sub Index 4.02

* Based on an €80/tonne carbon price