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 22.88
Milk (kg) -308.00 -0.014 4.31
Fat (kg) -24.70 -0.375 9.25
Prot (kg) -21.11 -0.441 9.32
Fertility Sub Index 6.17
Calving Interval (days) -2.79 -1.459 4.07
Survival (%) 1.88 1.117 2.10
Calving Sub Index -1.50
Gestation Length (days) 1.63 -0.919 -1.50
Beef Sub Index -2.92
Carcass Weight (kg) -0.30 -0.528 0.16
Age of Slaughter (days) 7.13 -0.432 -3.08
Maintenance Sub Index Maint. Sub Index 5.58
Live WT (kg) -18.20 -0.307 5.58
Total Carbon Sub Index 30.21

* Based on an €80/tonne carbon price