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 7.86
Milk (kg) -124.00 -0.014 1.74
Fat (kg) -7.88 -0.375 2.95
Prot (kg) -7.19 -0.441 3.17
Fertility Sub Index 1.36
Calving Interval (days) -0.70 -1.459 1.02
Survival (%) 0.30 1.117 0.34
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.38
Carcass Weight (kg) -0.70 -0.528 0.37
Age of Slaughter (days) 1.74 -0.432 -0.75
Maintenance Sub Index Maint. Sub Index 1.62
Live WT (kg) -5.30 -0.307 1.62
Total Carbon Sub Index 10.00

* Based on an €80/tonne carbon price