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 4.75
Milk (kg) -91.00 -0.014 1.27
Fat (kg) -3.09 -0.375 1.16
Prot (kg) -5.26 -0.441 2.32
Fertility Sub Index 7.62
Calving Interval (days) -4.46 -1.459 6.51
Survival (%) 1.00 1.117 1.12
Calving Sub Index 0.85
Gestation Length (days) -0.93 -0.919 0.85
Beef Sub Index -4.89
Carcass Weight (kg) 7.40 -0.528 -3.90
Age of Slaughter (days) 2.29 -0.432 -0.99
Maintenance Sub Index Maint. Sub Index -1.35
Live WT (kg) 4.40 -0.307 -1.35
Total Carbon Sub Index 7.00

* Based on an €80/tonne carbon price