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 21.44
Milk (kg) -456.00 -0.014 6.38
Fat (kg) -21.49 -0.375 8.05
Prot (kg) -15.88 -0.441 7.01
Fertility Sub Index 2.91
Calving Interval (days) -1.16 -1.459 1.69
Survival (%) 1.09 1.117 1.22
Calving Sub Index -1.85
Gestation Length (days) 2.01 -0.919 -1.85
Beef Sub Index 1.71
Carcass Weight (kg) -5.70 -0.528 3.01
Age of Slaughter (days) 3.00 -0.432 -1.30
Maintenance Sub Index Maint. Sub Index 8.34
Live WT (kg) -27.20 -0.307 8.34
Total Carbon Sub Index 32.56

* Based on an €80/tonne carbon price