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 4.43
Milk (kg) -133.00 -0.014 1.86
Fat (kg) -2.70 -0.375 1.01
Prot (kg) -3.52 -0.441 1.55
Fertility Sub Index 3.47
Calving Interval (days) -1.29 -1.459 1.88
Survival (%) 1.42 1.117 1.59
Calving Sub Index 0.59
Gestation Length (days) -0.64 -0.919 0.59
Beef Sub Index 2.88
Carcass Weight (kg) -12.00 -0.528 6.33
Age of Slaughter (days) 8.00 -0.432 -3.45
Maintenance Sub Index Maint. Sub Index 11.77
Live WT (kg) -38.40 -0.307 11.77
Total Carbon Sub Index 23.13

* Based on an €80/tonne carbon price