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 5.17
Milk (kg) -87.00 -0.014 1.22
Fat (kg) -6.23 -0.375 2.33
Prot (kg) -3.67 -0.441 1.62
Fertility Sub Index 5.13
Calving Interval (days) -3.05 -1.459 4.45
Survival (%) 0.61 1.117 0.68
Calving Sub Index 0.79
Gestation Length (days) -0.86 -0.919 0.79
Beef Sub Index 0.89
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 0.88 -0.432 -0.38
Maintenance Sub Index Maint. Sub Index 5.30
Live WT (kg) -17.30 -0.307 5.30
Total Carbon Sub Index 17.28

* Based on an €80/tonne carbon price