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 6.02
Milk (kg) -160.00 -0.014 2.24
Fat (kg) -4.29 -0.375 1.61
Prot (kg) -4.92 -0.441 2.17
Fertility Sub Index 5.89
Calving Interval (days) -3.28 -1.459 4.79
Survival (%) 0.99 1.117 1.11
Calving Sub Index 2.79
Gestation Length (days) -3.03 -0.919 2.79
Beef Sub Index 2.12
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) -0.64 -0.432 0.28
Maintenance Sub Index Maint. Sub Index 5.73
Live WT (kg) -18.70 -0.307 5.73
Total Carbon Sub Index 22.55

* Based on an €80/tonne carbon price