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 4.62
Milk (kg) -141.00 -0.014 1.97
Fat (kg) -3.90 -0.375 1.46
Prot (kg) -2.69 -0.441 1.19
Fertility Sub Index 0.70
Calving Interval (days) -0.45 -1.459 0.66
Survival (%) 0.04 1.117 0.04
Calving Sub Index -0.28
Gestation Length (days) 0.30 -0.919 -0.28
Beef Sub Index 1.29
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) 1.30 -0.432 -0.56
Maintenance Sub Index Maint. Sub Index 1.16
Live WT (kg) -3.80 -0.307 1.16
Total Carbon Sub Index 7.50

* Based on an €80/tonne carbon price