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 9.06
Milk (kg) -291.00 -0.014 4.07
Fat (kg) -5.61 -0.375 2.10
Prot (kg) -6.54 -0.441 2.89
Fertility Sub Index 0.94
Calving Interval (days) -0.55 -1.459 0.80
Survival (%) 0.12 1.117 0.13
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.81
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) 2.40 -0.432 -1.04
Maintenance Sub Index Maint. Sub Index 2.45
Live WT (kg) -8.00 -0.307 2.45
Total Carbon Sub Index 12.79

* Based on an €80/tonne carbon price