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 1.36
Milk (kg) -36.00 -0.014 0.50
Fat (kg) -0.96 -0.375 0.36
Prot (kg) -1.13 -0.441 0.50
Fertility Sub Index 5.78
Calving Interval (days) -2.86 -1.459 4.17
Survival (%) 1.44 1.117 1.61
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index -0.05
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 3.65 -0.432 -1.58
Maintenance Sub Index Maint. Sub Index 6.28
Live WT (kg) -20.50 -0.307 6.28
Total Carbon Sub Index 17.18

* Based on an €80/tonne carbon price