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 4.19
Milk (kg) -130.00 -0.014 1.82
Fat (kg) -3.64 -0.375 1.36
Prot (kg) -2.29 -0.441 1.01
Fertility Sub Index 6.77
Calving Interval (days) -3.92 -1.459 5.72
Survival (%) 0.94 1.117 1.05
Calving Sub Index 1.02
Gestation Length (days) -1.11 -0.919 1.02
Beef Sub Index -0.10
Carcass Weight (kg) -1.30 -0.528 0.69
Age of Slaughter (days) 1.82 -0.432 -0.79
Maintenance Sub Index Maint. Sub Index 2.70
Live WT (kg) -8.80 -0.307 2.70
Total Carbon Sub Index 14.58

* Based on an €80/tonne carbon price