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 2.97
Milk (kg) -256.00 -0.014 3.58
Fat (kg) 4.57 -0.375 -1.71
Prot (kg) -2.49 -0.441 1.10
Fertility Sub Index 7.71
Calving Interval (days) -4.35 -1.459 6.35
Survival (%) 1.22 1.117 1.36
Calving Sub Index 1.18
Gestation Length (days) -1.28 -0.919 1.18
Beef Sub Index 2.73
Carcass Weight (kg) -9.20 -0.528 4.85
Age of Slaughter (days) 4.92 -0.432 -2.12
Maintenance Sub Index Maint. Sub Index 6.65
Live WT (kg) -21.70 -0.307 6.65
Total Carbon Sub Index 21.25

* Based on an €80/tonne carbon price