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 21.20
Milk (kg) -511.00 -0.014 7.15
Fat (kg) -19.01 -0.375 7.12
Prot (kg) -15.69 -0.441 6.92
Fertility Sub Index 2.72
Calving Interval (days) -1.63 -1.459 2.38
Survival (%) 0.31 1.117 0.35
Calving Sub Index -1.45
Gestation Length (days) 1.58 -0.919 -1.45
Beef Sub Index 2.13
Carcass Weight (kg) -8.00 -0.528 4.22
Age of Slaughter (days) 4.85 -0.432 -2.09
Maintenance Sub Index Maint. Sub Index 3.40
Live WT (kg) -11.10 -0.307 3.40
Total Carbon Sub Index 28.00

* Based on an €80/tonne carbon price