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 4.73
Milk (kg) -89.00 -0.014 1.25
Fat (kg) -4.43 -0.375 1.66
Prot (kg) -4.13 -0.441 1.82
Fertility Sub Index 1.92
Calving Interval (days) -0.88 -1.459 1.28
Survival (%) 0.57 1.117 0.64
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 2.38
Carcass Weight (kg) -4.90 -0.528 2.58
Age of Slaughter (days) 0.47 -0.432 -0.20
Maintenance Sub Index Maint. Sub Index 4.54
Live WT (kg) -14.80 -0.307 4.54
Total Carbon Sub Index 13.10

* Based on an €80/tonne carbon price