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 -3.69
Milk (kg) 104.00 -0.014 -1.46
Fat (kg) 2.49 -0.375 -0.93
Prot (kg) 2.94 -0.441 -1.30
Fertility Sub Index -4.70
Calving Interval (days) 2.68 -1.459 -3.91
Survival (%) -0.71 1.117 -0.79
Calving Sub Index 0.57
Gestation Length (days) -0.62 -0.919 0.57
Beef Sub Index 0.19
Carcass Weight (kg) -1.30 -0.528 0.69
Age of Slaughter (days) 1.15 -0.432 -0.50
Maintenance Sub Index Maint. Sub Index 1.38
Live WT (kg) -4.50 -0.307 1.38
Total Carbon Sub Index -6.24

* Based on an €80/tonne carbon price