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 1.80
Milk (kg) -72.00 -0.014 1.01
Fat (kg) -0.66 -0.375 0.25
Prot (kg) -1.24 -0.441 0.55
Fertility Sub Index 7.06
Calving Interval (days) -4.31 -1.459 6.29
Survival (%) 0.69 1.117 0.77
Calving Sub Index 0.66
Gestation Length (days) -0.72 -0.919 0.66
Beef Sub Index 1.35
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 0.30 -0.432 -0.13
Maintenance Sub Index Maint. Sub Index 3.59
Live WT (kg) -11.70 -0.307 3.59
Total Carbon Sub Index 14.46

* Based on an €80/tonne carbon price