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 1.43
Milk (kg) -117.00 -0.014 1.64
Fat (kg) -0.86 -0.375 0.32
Prot (kg) 1.21 -0.441 -0.53
Fertility Sub Index -3.62
Calving Interval (days) 2.06 -1.459 -3.01
Survival (%) -0.55 1.117 -0.61
Calving Sub Index 0.17
Gestation Length (days) -0.18 -0.919 0.17
Beef Sub Index -0.35
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 2.64 -0.432 -1.14
Maintenance Sub Index Maint. Sub Index 0.83
Live WT (kg) -2.70 -0.307 0.83
Total Carbon Sub Index -1.56

* Based on an €80/tonne carbon price