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 18.24
Milk (kg) -420.00 -0.014 5.88
Fat (kg) -15.70 -0.375 5.88
Prot (kg) -14.69 -0.441 6.48
Fertility Sub Index -1.10
Calving Interval (days) 0.05 -1.459 -0.07
Survival (%) -0.92 1.117 -1.03
Calving Sub Index -1.99
Gestation Length (days) 2.17 -0.919 -1.99
Beef Sub Index -2.48
Carcass Weight (kg) 2.30 -0.528 -1.21
Age of Slaughter (days) 2.94 -0.432 -1.27
Maintenance Sub Index Maint. Sub Index 3.13
Live WT (kg) -10.20 -0.307 3.13
Total Carbon Sub Index 15.79

* Based on an €80/tonne carbon price