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 -2.18
Milk (kg) 33.00 -0.014 -0.46
Fat (kg) 5.73 -0.375 -2.15
Prot (kg) -0.98 -0.441 0.43
Fertility Sub Index -2.87
Calving Interval (days) 1.38 -1.459 -2.01
Survival (%) -0.77 1.117 -0.86
Calving Sub Index 1.59
Gestation Length (days) -1.73 -0.919 1.59
Beef Sub Index -1.23
Carcass Weight (kg) -0.10 -0.528 0.05
Age of Slaughter (days) 2.96 -0.432 -1.28
Maintenance Sub Index Maint. Sub Index 1.07
Live WT (kg) -3.50 -0.307 1.07
Total Carbon Sub Index -3.62

* Based on an €80/tonne carbon price