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 3.14
Milk (kg) -18.00 -0.014 0.25
Fat (kg) -4.47 -0.375 1.67
Prot (kg) -2.75 -0.441 1.21
Fertility Sub Index 7.74
Calving Interval (days) -3.74 -1.459 5.46
Survival (%) 2.04 1.117 2.28
Calving Sub Index -0.37
Gestation Length (days) 0.40 -0.919 -0.37
Beef Sub Index 4.33
Carcass Weight (kg) -8.30 -0.528 4.38
Age of Slaughter (days) 0.11 -0.432 -0.05
Maintenance Sub Index Maint. Sub Index 6.16
Live WT (kg) -20.10 -0.307 6.16
Total Carbon Sub Index 21.00

* Based on an €80/tonne carbon price