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 7.20
Milk (kg) -143.00 -0.014 2.00
Fat (kg) -3.88 -0.375 1.45
Prot (kg) -8.49 -0.441 3.75
Fertility Sub Index 0.33
Calving Interval (days) -0.08 -1.459 0.12
Survival (%) 0.19 1.117 0.21
Calving Sub Index -0.03
Gestation Length (days) 0.03 -0.919 -0.03
Beef Sub Index 0.31
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 1.12 -0.432 -0.48
Maintenance Sub Index Maint. Sub Index -3.07
Live WT (kg) 10.00 -0.307 -3.07
Total Carbon Sub Index 4.74

* Based on an €80/tonne carbon price