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 0.56
Milk (kg) -80.00 -0.014 1.12
Fat (kg) 0.75 -0.375 -0.28
Prot (kg) 0.63 -0.441 -0.28
Fertility Sub Index -1.51
Calving Interval (days) 1.57 -1.459 -2.29
Survival (%) 0.70 1.117 0.78
Calving Sub Index -1.40
Gestation Length (days) 1.52 -0.919 -1.40
Beef Sub Index 1.06
Carcass Weight (kg) -4.50 -0.528 2.37
Age of Slaughter (days) 3.05 -0.432 -1.32
Maintenance Sub Index Maint. Sub Index 7.20
Live WT (kg) -23.50 -0.307 7.20
Total Carbon Sub Index 5.92

* Based on an €80/tonne carbon price