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 10.17
Milk (kg) -377.00 -0.014 5.28
Fat (kg) -4.44 -0.375 1.66
Prot (kg) -7.31 -0.441 3.23
Fertility Sub Index 2.72
Calving Interval (days) -2.40 -1.459 3.50
Survival (%) -0.70 1.117 -0.78
Calving Sub Index -1.48
Gestation Length (days) 1.61 -0.919 -1.48
Beef Sub Index 2.50
Carcass Weight (kg) -3.40 -0.528 1.79
Age of Slaughter (days) -1.63 -0.432 0.70
Maintenance Sub Index Maint. Sub Index 3.16
Live WT (kg) -10.30 -0.307 3.16
Total Carbon Sub Index 17.06

* Based on an €80/tonne carbon price