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 8.67
Milk (kg) -172.00 -0.014 2.41
Fat (kg) -8.96 -0.375 3.36
Prot (kg) -6.59 -0.441 2.91
Fertility Sub Index 0.64
Calving Interval (days) -0.18 -1.459 0.26
Survival (%) 0.34 1.117 0.38
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.14
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 0.78 -0.432 -0.34
Maintenance Sub Index Maint. Sub Index 3.95
Live WT (kg) -12.90 -0.307 3.95
Total Carbon Sub Index 18.11

* Based on an €80/tonne carbon price