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 4.15
Milk (kg) -45.00 -0.014 0.63
Fat (kg) -3.40 -0.375 1.27
Prot (kg) -5.09 -0.441 2.25
Fertility Sub Index 6.52
Calving Interval (days) -3.96 -1.459 5.78
Survival (%) 0.66 1.117 0.74
Calving Sub Index 0.41
Gestation Length (days) -0.45 -0.919 0.41
Beef Sub Index -0.25
Carcass Weight (kg) -0.90 -0.528 0.47
Age of Slaughter (days) 1.67 -0.432 -0.72
Maintenance Sub Index Maint. Sub Index 2.76
Live WT (kg) -9.00 -0.307 2.76
Total Carbon Sub Index 13.60

* Based on an €80/tonne carbon price