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 11.24
Milk (kg) -232.00 -0.014 3.25
Fat (kg) -12.49 -0.375 4.68
Prot (kg) -7.51 -0.441 3.31
Fertility Sub Index 0.47
Calving Interval (days) -0.13 -1.459 0.19
Survival (%) 0.25 1.117 0.28
Calving Sub Index -1.06
Gestation Length (days) 1.15 -0.919 -1.06
Beef Sub Index -3.48
Carcass Weight (kg) 4.70 -0.528 -2.48
Age of Slaughter (days) 2.31 -0.432 -1.00
Maintenance Sub Index Maint. Sub Index 1.32
Live WT (kg) -4.30 -0.307 1.32
Total Carbon Sub Index 8.49

* Based on an €80/tonne carbon price