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 6.53
Milk (kg) -123.00 -0.014 1.72
Fat (kg) -5.09 -0.375 1.91
Prot (kg) -6.58 -0.441 2.90
Fertility Sub Index 0.66
Calving Interval (days) -0.69 -1.459 1.01
Survival (%) -0.31 1.117 -0.35
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.99
Carcass Weight (kg) -3.40 -0.528 1.79
Age of Slaughter (days) 1.86 -0.432 -0.80
Maintenance Sub Index Maint. Sub Index 2.05
Live WT (kg) -6.70 -0.307 2.05
Total Carbon Sub Index 9.77

* Based on an €80/tonne carbon price