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 2.69
Milk (kg) -85.00 -0.014 1.19
Fat (kg) -2.85 -0.375 1.07
Prot (kg) -0.98 -0.441 0.43
Fertility Sub Index 7.08
Calving Interval (days) -3.14 -1.459 4.58
Survival (%) 2.24 1.117 2.50
Calving Sub Index 2.79
Gestation Length (days) -3.03 -0.919 2.79
Beef Sub Index 1.75
Carcass Weight (kg) -4.30 -0.528 2.27
Age of Slaughter (days) 1.21 -0.432 -0.52
Maintenance Sub Index Maint. Sub Index 6.87
Live WT (kg) -22.40 -0.307 6.87
Total Carbon Sub Index 21.17

* Based on an €80/tonne carbon price