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 2.59
Milk (kg) -84.00 -0.014 1.18
Fat (kg) -1.42 -0.375 0.53
Prot (kg) -2.00 -0.441 0.88
Fertility Sub Index 7.45
Calving Interval (days) -3.44 -1.459 5.02
Survival (%) 2.18 1.117 2.44
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.61
Carcass Weight (kg) -3.40 -0.528 1.79
Age of Slaughter (days) -1.88 -0.432 0.81
Maintenance Sub Index Maint. Sub Index 6.22
Live WT (kg) -20.30 -0.307 6.22
Total Carbon Sub Index 22.68

* Based on an €80/tonne carbon price