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 6.87
Milk (kg) -121.00 -0.014 1.69
Fat (kg) -6.47 -0.375 2.42
Prot (kg) -6.23 -0.441 2.75
Fertility Sub Index 1.95
Calving Interval (days) -0.92 -1.459 1.34
Survival (%) 0.54 1.117 0.60
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.45
Carcass Weight (kg) -1.30 -0.528 0.69
Age of Slaughter (days) 2.62 -0.432 -1.13
Maintenance Sub Index Maint. Sub Index 0.09
Live WT (kg) -0.30 -0.307 0.09
Total Carbon Sub Index 8.00

* Based on an €80/tonne carbon price