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 5.80
Milk (kg) -121.00 -0.014 1.69
Fat (kg) -5.61 -0.375 2.10
Prot (kg) -4.54 -0.441 2.00
Fertility Sub Index -3.43
Calving Interval (days) 1.67 -1.459 -2.44
Survival (%) -0.89 1.117 -0.99
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index 0.22
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 1.44 -0.432 -0.62
Maintenance Sub Index Maint. Sub Index 2.08
Live WT (kg) -6.80 -0.307 2.08
Total Carbon Sub Index 4.13

* Based on an €80/tonne carbon price