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 4.82
Milk (kg) -113.00 -0.014 1.58
Fat (kg) -4.34 -0.375 1.63
Prot (kg) -3.65 -0.441 1.61
Fertility Sub Index 9.24
Calving Interval (days) -5.11 -1.459 7.46
Survival (%) 1.60 1.117 1.79
Calving Sub Index 0.88
Gestation Length (days) -0.96 -0.919 0.88
Beef Sub Index 1.40
Carcass Weight (kg) -4.00 -0.528 2.11
Age of Slaughter (days) 1.64 -0.432 -0.71
Maintenance Sub Index Maint. Sub Index 3.34
Live WT (kg) -10.90 -0.307 3.34
Total Carbon Sub Index 19.69

* Based on an €80/tonne carbon price