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 -2.55
Milk (kg) 99.00 -0.014 -1.39
Fat (kg) 2.10 -0.375 -0.79
Prot (kg) 0.86 -0.441 -0.38
Fertility Sub Index -4.13
Calving Interval (days) 2.09 -1.459 -3.05
Survival (%) -0.97 1.117 -1.08
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index 0.38
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 1.57 -0.432 -0.68
Maintenance Sub Index Maint. Sub Index 1.99
Live WT (kg) -6.50 -0.307 1.99
Total Carbon Sub Index -4.87

* Based on an €80/tonne carbon price