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 2.16
Milk (kg) -34.00 -0.014 0.48
Fat (kg) -5.03 -0.375 1.88
Prot (kg) 0.46 -0.441 -0.20
Fertility Sub Index 4.13
Calving Interval (days) -1.40 -1.459 2.04
Survival (%) 1.87 1.117 2.09
Calving Sub Index -0.39
Gestation Length (days) 0.42 -0.919 -0.39
Beef Sub Index -2.29
Carcass Weight (kg) 4.00 -0.528 -2.11
Age of Slaughter (days) 0.42 -0.432 -0.18
Maintenance Sub Index Maint. Sub Index -1.47
Live WT (kg) 4.80 -0.307 -1.47
Total Carbon Sub Index 2.14

* Based on an €80/tonne carbon price