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 3.82
Milk (kg) -11.00 -0.014 0.15
Fat (kg) -3.21 -0.375 1.20
Prot (kg) -5.59 -0.441 2.47
Fertility Sub Index 10.48
Calving Interval (days) -6.50 -1.459 9.48
Survival (%) 0.89 1.117 0.99
Calving Sub Index -0.79
Gestation Length (days) 0.86 -0.919 -0.79
Beef Sub Index 0.52
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) 0.51 -0.432 -0.22
Maintenance Sub Index Maint. Sub Index 3.13
Live WT (kg) -10.20 -0.307 3.13
Total Carbon Sub Index 17.15

* Based on an €80/tonne carbon price