Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 3.81
Milk (kg) -181.00 -0.014 2.53
Fat (kg) 2.26 -0.375 -0.85
Prot (kg) -4.80 -0.441 2.12
Fertility Sub Index 2.16
Calving Interval (days) -1.35 -1.459 1.97
Survival (%) 0.17 1.117 0.19
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.11
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 2.07 -0.432 -0.89
Maintenance Sub Index Maint. Sub Index 2.42
Live WT (kg) -7.90 -0.307 2.42
Total Carbon Sub Index 8.02

* Based on an €80/tonne carbon price