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 4.14
Milk (kg) -129.00 -0.014 1.81
Fat (kg) -3.11 -0.375 1.16
Prot (kg) -2.65 -0.441 1.17
Fertility Sub Index 6.24
Calving Interval (days) -2.71 -1.459 3.95
Survival (%) 2.05 1.117 2.29
Calving Sub Index -0.18
Gestation Length (days) 0.20 -0.919 -0.18
Beef Sub Index -2.52
Carcass Weight (kg) 2.30 -0.528 -1.21
Age of Slaughter (days) 3.02 -0.432 -1.30
Maintenance Sub Index Maint. Sub Index 2.42
Live WT (kg) -7.90 -0.307 2.42
Total Carbon Sub Index 10.11

* Based on an €80/tonne carbon price