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 3.29
Milk (kg) -71.00 -0.014 0.99
Fat (kg) -2.69 -0.375 1.01
Prot (kg) -2.92 -0.441 1.29
Fertility Sub Index 4.31
Calving Interval (days) -3.17 -1.459 4.63
Survival (%) -0.28 1.117 -0.31
Calving Sub Index 0.28
Gestation Length (days) -0.31 -0.919 0.28
Beef Sub Index -2.20
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 7.42 -0.432 -3.20
Maintenance Sub Index Maint. Sub Index 5.64
Live WT (kg) -18.40 -0.307 5.64
Total Carbon Sub Index 11.32

* Based on an €80/tonne carbon price