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 5.52
Milk (kg) -50.00 -0.014 0.70
Fat (kg) -4.22 -0.375 1.58
Prot (kg) -7.35 -0.441 3.24
Fertility Sub Index 1.78
Calving Interval (days) -0.71 -1.459 1.04
Survival (%) 0.67 1.117 0.75
Calving Sub Index -0.27
Gestation Length (days) 0.29 -0.919 -0.27
Beef Sub Index -0.17
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 3.46 -0.432 -1.49
Maintenance Sub Index Maint. Sub Index 1.99
Live WT (kg) -6.50 -0.307 1.99
Total Carbon Sub Index 8.86

* Based on an €80/tonne carbon price