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 4.13
Milk (kg) -129.00 -0.014 1.81
Fat (kg) -2.35 -0.375 0.88
Prot (kg) -3.27 -0.441 1.44
Fertility Sub Index 4.02
Calving Interval (days) -1.55 -1.459 2.26
Survival (%) 1.57 1.117 1.75
Calving Sub Index 0.72
Gestation Length (days) -0.78 -0.919 0.72
Beef Sub Index -1.34
Carcass Weight (kg) -4.70 -0.528 2.48
Age of Slaughter (days) 8.84 -0.432 -3.82
Maintenance Sub Index Maint. Sub Index 7.85
Live WT (kg) -25.60 -0.307 7.85
Total Carbon Sub Index 15.37

* Based on an €80/tonne carbon price