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 5.26
Milk (kg) -139.00 -0.014 1.95
Fat (kg) -3.32 -0.375 1.24
Prot (kg) -4.69 -0.441 2.07
Fertility Sub Index 6.42
Calving Interval (days) -3.70 -1.459 5.40
Survival (%) 0.91 1.117 1.02
Calving Sub Index -1.54
Gestation Length (days) 1.68 -0.919 -1.54
Beef Sub Index -3.00
Carcass Weight (kg) 5.70 -0.528 -3.01
Age of Slaughter (days) -0.01 -0.432 0.00
Maintenance Sub Index Maint. Sub Index 0.61
Live WT (kg) -2.00 -0.307 0.61
Total Carbon Sub Index 7.74

* Based on an €80/tonne carbon price