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 8.47
Milk (kg) -139.00 -0.014 1.95
Fat (kg) -11.25 -0.375 4.21
Prot (kg) -5.24 -0.441 2.31
Fertility Sub Index 9.83
Calving Interval (days) -4.93 -1.459 7.19
Survival (%) 2.36 1.117 2.64
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.86
Carcass Weight (kg) -3.70 -0.528 1.95
Age of Slaughter (days) -2.10 -0.432 0.91
Maintenance Sub Index Maint. Sub Index 6.10
Live WT (kg) -19.90 -0.307 6.10
Total Carbon Sub Index 31.06

* Based on an €80/tonne carbon price