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 4.14
Milk (kg) -128.00 -0.014 1.79
Fat (kg) -2.57 -0.375 0.96
Prot (kg) -3.15 -0.441 1.39
Fertility Sub Index 2.91
Calving Interval (days) -1.56 -1.459 2.28
Survival (%) 0.57 1.117 0.64
Calving Sub Index -2.67
Gestation Length (days) 2.90 -0.919 -2.67
Beef Sub Index -3.19
Carcass Weight (kg) 9.70 -0.528 -5.12
Age of Slaughter (days) -4.47 -0.432 1.93
Maintenance Sub Index Maint. Sub Index -8.03
Live WT (kg) 26.20 -0.307 -8.03
Total Carbon Sub Index -6.82

* Based on an €80/tonne carbon price