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 14.74
Milk (kg) -292.00 -0.014 4.09
Fat (kg) -16.19 -0.375 6.06
Prot (kg) -10.40 -0.441 4.59
Fertility Sub Index 3.27
Calving Interval (days) -1.65 -1.459 2.41
Survival (%) 0.77 1.117 0.86
Calving Sub Index -1.91
Gestation Length (days) 2.08 -0.919 -1.91
Beef Sub Index -0.78
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 4.25 -0.432 -1.83
Maintenance Sub Index Maint. Sub Index 5.30
Live WT (kg) -17.30 -0.307 5.30
Total Carbon Sub Index 20.62

* Based on an €80/tonne carbon price