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 10.96
Milk (kg) -181.00 -0.014 2.53
Fat (kg) -11.54 -0.375 4.32
Prot (kg) -9.29 -0.441 4.10
Fertility Sub Index 0.95
Calving Interval (days) -0.33 -1.459 0.48
Survival (%) 0.42 1.117 0.47
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.20
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 0.88 -0.432 -0.38
Maintenance Sub Index Maint. Sub Index 5.00
Live WT (kg) -16.30 -0.307 5.00
Total Carbon Sub Index 21.80

* Based on an €80/tonne carbon price