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 4.90
Milk (kg) -145.00 -0.014 2.03
Fat (kg) -1.64 -0.375 0.61
Prot (kg) -5.10 -0.441 2.25
Fertility Sub Index 0.88
Calving Interval (days) -0.67 -1.459 0.98
Survival (%) -0.09 1.117 -0.10
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 1.00
Carcass Weight (kg) -3.40 -0.528 1.79
Age of Slaughter (days) 1.84 -0.432 -0.79
Maintenance Sub Index Maint. Sub Index 0.83
Live WT (kg) -2.70 -0.307 0.83
Total Carbon Sub Index 7.12

* Based on an €80/tonne carbon price