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 19.93
Milk (kg) -420.00 -0.014 5.88
Fat (kg) -17.79 -0.375 6.66
Prot (kg) -16.73 -0.441 7.38
Fertility Sub Index -0.88
Calving Interval (days) 0.02 -1.459 -0.03
Survival (%) -0.76 1.117 -0.85
Calving Sub Index 0.03
Gestation Length (days) -0.03 -0.919 0.03
Beef Sub Index 2.59
Carcass Weight (kg) -5.40 -0.528 2.85
Age of Slaughter (days) 0.61 -0.432 -0.26
Maintenance Sub Index Maint. Sub Index 3.53
Live WT (kg) -11.50 -0.307 3.53
Total Carbon Sub Index 25.19

* Based on an €80/tonne carbon price