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 5.70
Milk (kg) -106.00 -0.014 1.48
Fat (kg) -4.32 -0.375 1.62
Prot (kg) -5.88 -0.441 2.60
Fertility Sub Index 5.16
Calving Interval (days) -3.01 -1.459 4.39
Survival (%) 0.69 1.117 0.77
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.18
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) 3.61 -0.432 -1.56
Maintenance Sub Index Maint. Sub Index 5.09
Live WT (kg) -16.60 -0.307 5.09
Total Carbon Sub Index 19.94

* Based on an €80/tonne carbon price