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 5.30
Milk (kg) -308.00 -0.014 4.31
Fat (kg) 5.47 -0.375 -2.05
Prot (kg) -6.87 -0.441 3.03
Fertility Sub Index 4.46
Calving Interval (days) -2.08 -1.459 3.03
Survival (%) 1.28 1.117 1.43
Calving Sub Index 1.10
Gestation Length (days) -1.20 -0.919 1.10
Beef Sub Index 0.82
Carcass Weight (kg) -8.10 -0.528 4.27
Age of Slaughter (days) 8.00 -0.432 -3.45
Maintenance Sub Index Maint. Sub Index 9.53
Live WT (kg) -31.10 -0.307 9.53
Total Carbon Sub Index 21.21

* Based on an €80/tonne carbon price