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 2.01
Milk (kg) -124.00 -0.014 1.74
Fat (kg) 2.07 -0.375 -0.78
Prot (kg) -2.37 -0.441 1.05
Fertility Sub Index -3.59
Calving Interval (days) 2.06 -1.459 -3.01
Survival (%) -0.52 1.117 -0.58
Calving Sub Index 0.17
Gestation Length (days) -0.18 -0.919 0.17
Beef Sub Index -1.26
Carcass Weight (kg) 1.00 -0.528 -0.53
Age of Slaughter (days) 1.70 -0.432 -0.73
Maintenance Sub Index Maint. Sub Index -1.26
Live WT (kg) 4.10 -0.307 -1.26
Total Carbon Sub Index -3.93

* Based on an €80/tonne carbon price