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 4.58
Milk (kg) -181.00 -0.014 2.53
Fat (kg) -0.42 -0.375 0.16
Prot (kg) -4.28 -0.441 1.89
Fertility Sub Index 0.91
Calving Interval (days) -0.55 -1.459 0.80
Survival (%) 0.10 1.117 0.11
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.21
Carcass Weight (kg) -1.30 -0.528 0.69
Age of Slaughter (days) 2.07 -0.432 -0.89
Maintenance Sub Index Maint. Sub Index 2.05
Live WT (kg) -6.70 -0.307 2.05
Total Carbon Sub Index 6.87

* Based on an €80/tonne carbon price