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 6.70
Milk (kg) -230.00 -0.014 3.22
Fat (kg) -2.36 -0.375 0.88
Prot (kg) -5.88 -0.441 2.60
Fertility Sub Index 4.28
Calving Interval (days) -1.69 -1.459 2.47
Survival (%) 1.62 1.117 1.81
Calving Sub Index 0.75
Gestation Length (days) -0.82 -0.919 0.75
Beef Sub Index -1.76
Carcass Weight (kg) -3.70 -0.528 1.95
Age of Slaughter (days) 8.59 -0.432 -3.71
Maintenance Sub Index Maint. Sub Index 7.27
Live WT (kg) -23.70 -0.307 7.27
Total Carbon Sub Index 17.24

* Based on an €80/tonne carbon price