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 7.85
Milk (kg) -96.00 -0.014 1.34
Fat (kg) -9.85 -0.375 3.69
Prot (kg) -6.38 -0.441 2.82
Fertility Sub Index 6.79
Calving Interval (days) -4.17 -1.459 6.08
Survival (%) 0.63 1.117 0.70
Calving Sub Index 0.43
Gestation Length (days) -0.47 -0.919 0.43
Beef Sub Index 2.03
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) -1.04 -0.432 0.45
Maintenance Sub Index Maint. Sub Index 1.87
Live WT (kg) -6.10 -0.307 1.87
Total Carbon Sub Index 18.98

* Based on an €80/tonne carbon price