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 10.02
Milk (kg) -172.00 -0.014 2.41
Fat (kg) -9.30 -0.375 3.48
Prot (kg) -9.36 -0.441 4.13
Fertility Sub Index -4.24
Calving Interval (days) 2.07 -1.459 -3.02
Survival (%) -1.09 1.117 -1.22
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index -0.07
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) 1.50 -0.432 -0.65
Maintenance Sub Index Maint. Sub Index 1.47
Live WT (kg) -4.80 -0.307 1.47
Total Carbon Sub Index 6.64

* Based on an €80/tonne carbon price