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 6.07
Milk (kg) -147.00 -0.014 2.06
Fat (kg) -5.03 -0.375 1.88
Prot (kg) -4.83 -0.441 2.13
Fertility Sub Index -0.45
Calving Interval (days) -0.07 -1.459 0.10
Survival (%) -0.49 1.117 -0.55
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.85
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 1.69 -0.432 -0.73
Maintenance Sub Index Maint. Sub Index 2.39
Live WT (kg) -7.80 -0.307 2.39
Total Carbon Sub Index 8.40

* Based on an €80/tonne carbon price