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 6.07
Milk (kg) -173.00 -0.014 2.42
Fat (kg) -4.07 -0.375 1.52
Prot (kg) -4.82 -0.441 2.13
Fertility Sub Index 6.79
Calving Interval (days) -4.38 -1.459 6.39
Survival (%) 0.36 1.117 0.40
Calving Sub Index 0.06
Gestation Length (days) -0.06 -0.919 0.06
Beef Sub Index 3.32
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) -4.28 -0.432 1.85
Maintenance Sub Index Maint. Sub Index 3.37
Live WT (kg) -11.00 -0.307 3.37
Total Carbon Sub Index 19.62

* Based on an €80/tonne carbon price