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 12.49
Milk (kg) -269.00 -0.014 3.77
Fat (kg) -12.64 -0.375 4.73
Prot (kg) -9.05 -0.441 3.99
Fertility Sub Index 9.16
Calving Interval (days) -4.25 -1.459 6.20
Survival (%) 2.65 1.117 2.96
Calving Sub Index -1.37
Gestation Length (days) 1.49 -0.919 -1.37
Beef Sub Index -1.19
Carcass Weight (kg) 2.80 -0.528 -1.48
Age of Slaughter (days) -0.66 -0.432 0.28
Maintenance Sub Index Maint. Sub Index 1.90
Live WT (kg) -6.20 -0.307 1.90
Total Carbon Sub Index 21.00

* Based on an €80/tonne carbon price