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 15.60
Milk (kg) -451.00 -0.014 6.31
Fat (kg) -7.12 -0.375 2.67
Prot (kg) -14.99 -0.441 6.62
Fertility Sub Index 7.40
Calving Interval (days) -4.25 -1.459 6.20
Survival (%) 1.07 1.117 1.20
Calving Sub Index -3.60
Gestation Length (days) 3.92 -0.919 -3.60
Beef Sub Index 3.23
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) -3.69 -0.432 1.59
Maintenance Sub Index Maint. Sub Index 3.80
Live WT (kg) -12.40 -0.307 3.80
Total Carbon Sub Index 26.42

* Based on an €80/tonne carbon price