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 8.26
Milk (kg) -146.00 -0.014 2.04
Fat (kg) -11.45 -0.375 4.29
Prot (kg) -4.36 -0.441 1.92
Fertility Sub Index 6.92
Calving Interval (days) -3.70 -1.459 5.40
Survival (%) 1.36 1.117 1.52
Calving Sub Index -0.73
Gestation Length (days) 0.79 -0.919 -0.73
Beef Sub Index -2.45
Carcass Weight (kg) 7.30 -0.528 -3.85
Age of Slaughter (days) -3.25 -0.432 1.40
Maintenance Sub Index Maint. Sub Index -1.78
Live WT (kg) 5.80 -0.307 -1.78
Total Carbon Sub Index 10.23

* Based on an €80/tonne carbon price