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 8.99
Milk (kg) -253.00 -0.014 3.54
Fat (kg) -9.41 -0.375 3.52
Prot (kg) -4.35 -0.441 1.92
Fertility Sub Index 3.61
Calving Interval (days) -1.92 -1.459 2.80
Survival (%) 0.72 1.117 0.80
Calving Sub Index 1.86
Gestation Length (days) -2.02 -0.919 1.86
Beef Sub Index 0.10
Carcass Weight (kg) -3.40 -0.528 1.79
Age of Slaughter (days) 3.92 -0.432 -1.69
Maintenance Sub Index Maint. Sub Index 3.59
Live WT (kg) -11.70 -0.307 3.59
Total Carbon Sub Index 18.13

* Based on an €80/tonne carbon price