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 8.23
Milk (kg) -419.00 -0.014 5.87
Fat (kg) 1.25 -0.375 -0.47
Prot (kg) -6.41 -0.441 2.83
Fertility Sub Index 4.26
Calving Interval (days) -1.73 -1.459 2.52
Survival (%) 1.55 1.117 1.73
Calving Sub Index 0.72
Gestation Length (days) -0.78 -0.919 0.72
Beef Sub Index -1.09
Carcass Weight (kg) -4.80 -0.528 2.53
Age of Slaughter (days) 8.40 -0.432 -3.63
Maintenance Sub Index Maint. Sub Index 7.82
Live WT (kg) -25.50 -0.307 7.82
Total Carbon Sub Index 19.92

* Based on an €80/tonne carbon price