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 4.60
Milk (kg) -145.00 -0.014 2.03
Fat (kg) -2.87 -0.375 1.07
Prot (kg) -3.38 -0.441 1.49
Fertility Sub Index -15.28
Calving Interval (days) 8.20 -1.459 -11.96
Survival (%) -2.97 1.117 -3.32
Calving Sub Index 0.84
Gestation Length (days) -0.91 -0.919 0.84
Beef Sub Index -0.08
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) 4.22 -0.432 -1.82
Maintenance Sub Index Maint. Sub Index 0.21
Live WT (kg) -0.70 -0.307 0.21
Total Carbon Sub Index -9.72

* Based on an €80/tonne carbon price