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 7.40
Milk (kg) -160.00 -0.014 2.24
Fat (kg) -6.09 -0.375 2.28
Prot (kg) -6.53 -0.441 2.88
Fertility Sub Index 6.27
Calving Interval (days) -3.01 -1.459 4.39
Survival (%) 1.68 1.117 1.88
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.64
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) -2.09 -0.432 0.90
Maintenance Sub Index Maint. Sub Index 6.47
Live WT (kg) -21.10 -0.307 6.47
Total Carbon Sub Index 26.58

* Based on an €80/tonne carbon price