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 7.82
Milk (kg) -155.00 -0.014 2.17
Fat (kg) -5.30 -0.375 1.99
Prot (kg) -8.30 -0.441 3.66
Fertility Sub Index 5.29
Calving Interval (days) -1.88 -1.459 2.74
Survival (%) 2.28 1.117 2.55
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 1.26
Carcass Weight (kg) 1.00 -0.528 -0.53
Age of Slaughter (days) -4.14 -0.432 1.79
Maintenance Sub Index Maint. Sub Index 3.31
Live WT (kg) -10.80 -0.307 3.31
Total Carbon Sub Index 17.21

* Based on an €80/tonne carbon price