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 24.82
Milk (kg) -625.00 -0.014 8.75
Fat (kg) -17.34 -0.375 6.49
Prot (kg) -21.69 -0.441 9.57
Fertility Sub Index 6.24
Calving Interval (days) -4.19 -1.459 6.11
Survival (%) 0.11 1.117 0.12
Calving Sub Index 2.07
Gestation Length (days) -2.25 -0.919 2.07
Beef Sub Index 0.91
Carcass Weight (kg) 0.30 -0.528 -0.16
Age of Slaughter (days) -2.47 -0.432 1.07
Maintenance Sub Index Maint. Sub Index 4.54
Live WT (kg) -14.80 -0.307 4.54
Total Carbon Sub Index 38.56

* Based on an €80/tonne carbon price