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 1.51
Milk (kg) -159.00 -0.014 2.23
Fat (kg) 3.31 -0.375 -1.24
Prot (kg) -1.18 -0.441 0.52
Fertility Sub Index 3.28
Calving Interval (days) -1.69 -1.459 2.47
Survival (%) 0.73 1.117 0.82
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 3.70
Carcass Weight (kg) -4.20 -0.528 2.22
Age of Slaughter (days) -3.45 -0.432 1.49
Maintenance Sub Index Maint. Sub Index 6.99
Live WT (kg) -22.80 -0.307 6.99
Total Carbon Sub Index 19.31

* Based on an €80/tonne carbon price