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 25.12
Milk (kg) -580.00 -0.014 8.12
Fat (kg) -24.07 -0.375 9.02
Prot (kg) -18.09 -0.441 7.98
Fertility Sub Index 2.67
Calving Interval (days) -1.62 -1.459 2.36
Survival (%) 0.27 1.117 0.30
Calving Sub Index -0.02
Gestation Length (days) 0.02 -0.919 -0.02
Beef Sub Index 4.24
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) -8.48 -0.432 3.66
Maintenance Sub Index Maint. Sub Index -3.00
Live WT (kg) 9.80 -0.307 -3.00
Total Carbon Sub Index 29.00

* Based on an €80/tonne carbon price