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 11.63
Milk (kg) -131.00 -0.014 1.83
Fat (kg) -15.70 -0.375 5.88
Prot (kg) -8.88 -0.441 3.92
Fertility Sub Index 2.76
Calving Interval (days) -1.70 -1.459 2.48
Survival (%) 0.25 1.117 0.28
Calving Sub Index 0.61
Gestation Length (days) -0.66 -0.919 0.61
Beef Sub Index 0.62
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 1.00 -0.432 -0.43
Maintenance Sub Index Maint. Sub Index 3.13
Live WT (kg) -10.20 -0.307 3.13
Total Carbon Sub Index 18.75

* Based on an €80/tonne carbon price