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 8.56
Milk (kg) -230.00 -0.014 3.22
Fat (kg) -6.60 -0.375 2.47
Prot (kg) -6.49 -0.441 2.86
Fertility Sub Index 6.83
Calving Interval (days) -4.03 -1.459 5.88
Survival (%) 0.85 1.117 0.95
Calving Sub Index 0.70
Gestation Length (days) -0.76 -0.919 0.70
Beef Sub Index 1.18
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 1.06 -0.432 -0.46
Maintenance Sub Index Maint. Sub Index 2.91
Live WT (kg) -9.50 -0.307 2.91
Total Carbon Sub Index 20.17

* Based on an €80/tonne carbon price