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 6.62
Milk (kg) -235.00 -0.014 3.29
Fat (kg) -3.40 -0.375 1.27
Prot (kg) -4.67 -0.441 2.06
Fertility Sub Index 7.11
Calving Interval (days) -4.47 -1.459 6.52
Survival (%) 0.53 1.117 0.59
Calving Sub Index 1.89
Gestation Length (days) -2.06 -0.919 1.89
Beef Sub Index 1.97
Carcass Weight (kg) -4.40 -0.528 2.32
Age of Slaughter (days) 0.82 -0.432 -0.35
Maintenance Sub Index Maint. Sub Index 3.16
Live WT (kg) -10.30 -0.307 3.16
Total Carbon Sub Index 20.76

* Based on an €80/tonne carbon price