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 3.55
Milk (kg) -107.00 -0.014 1.50
Fat (kg) -2.18 -0.375 0.82
Prot (kg) -2.81 -0.441 1.24
Fertility Sub Index 3.73
Calving Interval (days) -1.46 -1.459 2.13
Survival (%) 1.43 1.117 1.60
Calving Sub Index 0.60
Gestation Length (days) -0.65 -0.919 0.60
Beef Sub Index 2.57
Carcass Weight (kg) -11.80 -0.528 6.22
Age of Slaughter (days) 8.47 -0.432 -3.66
Maintenance Sub Index Maint. Sub Index 11.68
Live WT (kg) -38.10 -0.307 11.68
Total Carbon Sub Index 22.13

* Based on an €80/tonne carbon price