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 6.40
Milk (kg) -175.00 -0.014 2.45
Fat (kg) -4.89 -0.375 1.83
Prot (kg) -4.80 -0.441 2.12
Fertility Sub Index 1.81
Calving Interval (days) -0.13 -1.459 0.19
Survival (%) 1.45 1.117 1.62
Calving Sub Index -1.30
Gestation Length (days) 1.41 -0.919 -1.30
Beef Sub Index -4.63
Carcass Weight (kg) 4.80 -0.528 -2.53
Age of Slaughter (days) 4.85 -0.432 -2.09
Maintenance Sub Index Maint. Sub Index 0.83
Live WT (kg) -2.70 -0.307 0.83
Total Carbon Sub Index 3.12

* Based on an €80/tonne carbon price