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 3.65
Milk (kg) -76.00 -0.014 1.06
Fat (kg) -3.73 -0.375 1.40
Prot (kg) -2.69 -0.441 1.19
Fertility Sub Index -2.20
Calving Interval (days) 1.15 -1.459 -1.68
Survival (%) -0.47 1.117 -0.53
Calving Sub Index 4.96
Gestation Length (days) -5.40 -0.919 4.96
Beef Sub Index -0.96
Carcass Weight (kg) 0.30 -0.528 -0.16
Age of Slaughter (days) 1.86 -0.432 -0.80
Maintenance Sub Index Maint. Sub Index 0.92
Live WT (kg) -3.00 -0.307 0.92
Total Carbon Sub Index 6.36

* Based on an €80/tonne carbon price