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 16.06
Milk (kg) -460.00 -0.014 6.44
Fat (kg) -12.70 -0.375 4.76
Prot (kg) -11.02 -0.441 4.86
Fertility Sub Index 6.64
Calving Interval (days) -4.05 -1.459 5.91
Survival (%) 0.65 1.117 0.73
Calving Sub Index -0.13
Gestation Length (days) 0.14 -0.919 -0.13
Beef Sub Index 0.50
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 1.40 -0.432 -0.60
Maintenance Sub Index Maint. Sub Index 2.27
Live WT (kg) -7.40 -0.307 2.27
Total Carbon Sub Index 25.34

* Based on an €80/tonne carbon price