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 1.34
Milk (kg) -26.00 -0.014 0.36
Fat (kg) -1.19 -0.375 0.45
Prot (kg) -1.21 -0.441 0.53
Fertility Sub Index 3.62
Calving Interval (days) -1.86 -1.459 2.71
Survival (%) 0.81 1.117 0.90
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 0.61
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 2.01 -0.432 -0.87
Maintenance Sub Index Maint. Sub Index 6.74
Live WT (kg) -22.00 -0.307 6.74
Total Carbon Sub Index 16.15

* Based on an €80/tonne carbon price