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 6.74
Milk (kg) -113.00 -0.014 1.58
Fat (kg) -3.68 -0.375 1.38
Prot (kg) -8.57 -0.441 3.78
Fertility Sub Index 2.81
Calving Interval (days) -1.74 -1.459 2.54
Survival (%) 0.24 1.117 0.27
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.10
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) 1.94 -0.432 -0.84
Maintenance Sub Index Maint. Sub Index 1.78
Live WT (kg) -5.80 -0.307 1.78
Total Carbon Sub Index 10.76

* Based on an €80/tonne carbon price