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 4.83
Milk (kg) -177.00 -0.014 2.48
Fat (kg) -1.62 -0.375 0.61
Prot (kg) -3.95 -0.441 1.74
Fertility Sub Index -1.52
Calving Interval (days) 0.73 -1.459 -1.07
Survival (%) -0.41 1.117 -0.46
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.85
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 0.85 -0.432 -0.37
Maintenance Sub Index Maint. Sub Index 1.72
Live WT (kg) -5.60 -0.307 1.72
Total Carbon Sub Index 5.40

* Based on an €80/tonne carbon price