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 8.15
Milk (kg) -151.00 -0.014 2.11
Fat (kg) -3.69 -0.375 1.38
Prot (kg) -10.55 -0.441 4.66
Fertility Sub Index -6.25
Calving Interval (days) 3.10 -1.459 -4.52
Survival (%) -1.55 1.117 -1.73
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index 0.12
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 1.93 -0.432 -0.83
Maintenance Sub Index Maint. Sub Index 2.02
Live WT (kg) -6.60 -0.307 2.02
Total Carbon Sub Index 3.48

* Based on an €80/tonne carbon price