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 4.53
Milk (kg) -71.00 -0.014 0.99
Fat (kg) -5.11 -0.375 1.91
Prot (kg) -3.68 -0.441 1.62
Fertility Sub Index -0.04
Calving Interval (days) 0.16 -1.459 -0.23
Survival (%) 0.17 1.117 0.19
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.14
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 3.09 -0.432 -1.33
Maintenance Sub Index Maint. Sub Index 5.67
Live WT (kg) -18.50 -0.307 5.67
Total Carbon Sub Index 14.00

* Based on an €80/tonne carbon price