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 -5.38
Milk (kg) 52.00 -0.014 -0.73
Fat (kg) 9.84 -0.375 -3.69
Prot (kg) 2.19 -0.441 -0.97
Fertility Sub Index 6.10
Calving Interval (days) -3.82 -1.459 5.57
Survival (%) 0.47 1.117 0.53
Calving Sub Index 2.67
Gestation Length (days) -2.90 -0.919 2.67
Beef Sub Index -3.62
Carcass Weight (kg) 2.50 -0.528 -1.32
Age of Slaughter (days) 5.32 -0.432 -2.30
Maintenance Sub Index Maint. Sub Index 3.37
Live WT (kg) -11.00 -0.307 3.37
Total Carbon Sub Index 3.15

* Based on an €80/tonne carbon price