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 7.35
Milk (kg) -139.00 -0.014 1.95
Fat (kg) -9.80 -0.375 3.67
Prot (kg) -3.92 -0.441 1.73
Fertility Sub Index 6.52
Calving Interval (days) -3.32 -1.459 4.84
Survival (%) 1.50 1.117 1.68
Calving Sub Index -1.18
Gestation Length (days) 1.28 -0.919 -1.18
Beef Sub Index -4.08
Carcass Weight (kg) 8.10 -0.528 -4.27
Age of Slaughter (days) -0.45 -0.432 0.19
Maintenance Sub Index Maint. Sub Index 0.31
Live WT (kg) -1.00 -0.307 0.31
Total Carbon Sub Index 8.92

* Based on an €80/tonne carbon price